Monday, April 23, 2012

What Is The Best Digital Camera To Buy?

The question of what is the best digital camera to buy, is an easy question to answer. The short answer is the camera that allows you to take the best picture possible, while staying within your budget. Simple enough yes, but the answer also begs several other questions. How do you take pictures? And secondly, what's the best camera for the way you take pictures?

Amongst professional and semi professional photographers you'll find many heated debates about different camera makes, models, and designs. Where you will find no argument whatsoever, is in the statement that "The single most important factor in determining the quality of your photographs, is the abilities and styles of the person taking the picture". In other words, the camera is secondary, you the photographer are what really matters in the whole process.

Digital Camera

So, let's then focus on determining how to get the best camera for you into your hands. How do we do that? First and most importantly you need to get off the internet ;) What you should be doing is trying out cameras with your own bare hands. Play with the myriad array of controls, sliders, and buttons on the camera. Every single one of them. If it's not obvious what they mean, then ask. Try them all out. Are they intuitive and easy to use? Are they single or multi purpose. Single purpose buttons control only one function. I prefer single, as your more likely to remember what they're for in the heat of the moment, or a year after you've bought the camera and have no idea where the manual is.

What Is The Best Digital Camera To Buy?

Next, try navigating through the cameras menu system. This once again, should be easy and intuitive. Junior at his cutest moment, won't wait for you to flip through the manual for a specific setting. The picture and moment will be lost. An ergonomically intelligent camera should have all the major settings controlled by physical buttons or knobs. Not buried within three levels of menu selections.

Finally take as many pictures with the cameras on your short list as possible. Indoor pictures, outdoor pictures, portrait pictures, landscape pictures, macro pictures. Run the whole gamut!

If the store is flexible, see if you can take a demo home for a few days to try out. The more expensive the camera, the more likely they'll allow this. If not, just make sure the store has a good return policy (no restocking fee), buy the camera, take it home, try it out, and then return it. After you've done this with a few cameras (maybe a few stores), you should have a nice collection of images to compare.

What Is The Best Digital Camera To Buy?

Determining the best digital camera to buy can be a really fun process. Especially if you like playing with gadgets. After you've tried out three or more cameras, you'll start to have a pretty good feel for what they're capable of. Don't just stick with your favorite brand when your experimenting either. It's a good time to get out of your comfort zone, and see what the competition offers. Have fun, and happy shopping.

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Saturday, April 21, 2012

How to Make a Time-Lapse Video With Your Digital Video Camera

Getting the most out of your digital video camera can mean being able to create some really cool stuff. You just have to step outside the manual a bit and find the cool things you can do with your digital video camera and your editing software.

We have all seen them in a movie or a TV show, those very cool shots where they speed up time and capture a long segment of time and condense it into a very short amount of video. An example is many of the TV news stations nowadays have a camera that captures the day's weather and then they process it down to a 20 second clip to show the clouds and weather racing by on screen.

Digital Camera

Well this technique is not just a tool in the hands of the movie makers or the big TV stations. You can do this with your digital video camera gear too. I will go into two ways that you can accomplish this effect and get some cool results for your next video project. This one is worth playing around with in order to find the right settings to get the most dramatic effect.

How to Make a Time-Lapse Video With Your Digital Video Camera

Technique number one is to use the camera itself to do the time lapse recording for you. Almost all digital video cameras have the ability to do an interval recording. What this means in a nutshell is that you tell the camera how long you want to record for and how long in between recordings and it will go on autopilot for you for as long as the battery lasts or the tape runs out. This is what those cameras at the convenience store do, they record a few seconds of motion every 30-60 seconds giving the overall view of the traffic in the store over time.

Now if you want to capture some time lapse in your digital video camera you will need to get into your cameras menu and find Interval Recording (or in my case Int Rec, as I use a Sony PD 150 for my camera) When you select this option you will decide how long of an interval between shots you want and how long to record each time. If you are trying to capture something that takes a long time to occur and in which not much happens quickly you will want to set the interval at around a minute and the record time as short as possible on your camera. An example would be if you wanted to record a day in the life of a flower or the clouds rolling by in the sky. Suppose however that you want to capture an event that has lots of action and occurs over a much shorter time frame. Then you would want to shorten the interval between recordings and increase the time of each recording. So in this case you might record every 15-30 seconds and record up to 2-3 seconds of video each time.

I used this technique to capture an afternoon of work being done by a team of carpenters on my house remodeling project. The result was a flurry of activity as workers raced hither and yon nailing boards, carrying equipment and building walls. I have added it to my photo collection of the project. (Hey I had to live through the project so I might as well have a great record of it for posterity!)

Now suppose you have one of the great software video editing packages on your computer to work with your digital video camera. Now you can do it in post as they say in the business. You can record any length of video you want (subject to the limitations of your tape length) and then import it into your editing program.

Sidebar:

I use Adobe Premiere Pro for my editing jobs, but I have also used Avid DV Express, Final Cut Pro, and others in the non linear editing world. These are all great programs and are very powerful products that can create some very professional looking videos. You don't have to have these products to create your own videos but if you are serious about digital video editing it might be a good idea to take a look at these options.

I digitize my raw video of the scene I am doing time lapse on into my computer (big hard drive, video eats up GB's of space) and then import the clip into my time line. From the timeline you can then select the clip with a right click. From there you will be given a menu with options depending on the software you use. Select the option that says "duration", "speed" or something similar. Change the speed of the clip so that time will speed up considerably. If you have an hour of video in the clip and want to shorten it to 2 -5 minutes then you need to increase the speed of the clip to 3 or 4 thousand percent of normal. This will require your software to render the clip at the higher speed and may take some time top process depending on the speed of your computer.

Once you have rendered the video clip at the new speed you will want to play it to see if the movie flows evenly or if you will want to readjust the speed setting to make it better. Sometimes you may want to shorten your raw video and adjust the speed down somewhat in order to get a smooth flow of action. Once you have rendered the clip at the new speed you can now cut and splice it as you see fit with the speeded up action intact. There are some things you will record that might only need a slight speed change, take for instance some digital video of your kids playing sports. Double or triple the speed of the clip and show it to them and you might have them rolling on the floor.

You can also use these techniques to capture the growth of a flower or plant over the course of days or weeks. Simply set you camera in exactly the same place at the same time each day and record an interval that works each day fro however long you want to document. May be you get the seedling just breaking soil and follow it all the way through turning into a full grown plant.

Another interesting idea is to capture the path of the moon across the night sky. Set up your camera on a tripod in a spot that can see the path of the moon for several hours. Set the camera to interval record and put the moon on one side of the frame so that it will pass across the frame as the night passes. This one may require some testing in order to get the exposure and framing right as well as the right interval to record at. Most likely you would want to set the interval as long as you can and the record time as short as you can but do a test run first to see what works.

How to Make a Time-Lapse Video With Your Digital Video Camera

I can't stress enough that using your digital video camera can be great fun and you can achieve some cool results. Play around and test. You just might find yourself creating some very creative digital video to share with the rest of the world.

Kevin Rockwell worked as a network TV cameraman for 20 years shooting news and sports. Now a devoted fan of digital photography and video he works to gather information, tips and news for digital camera users. Oh and he loves to shoot pictures of cool and interesting things all the time.
http://www.greatdigitalcameras.info

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Friday, April 20, 2012

Virtual Try-On - Choose and Try on Lenses Online

Nowadays, there are many websites providing Virtual Try-on systems allowing you to choose, to try on and to purchase lenses online. It was a pleasant surprise for me to learn of this Virtual Try-on system. Before I know such a system, I usually need to go to a local glasses store to choose a pair of suitable lenses by trying on several pairs of glasses. Then I will choose to purchase the same lenses online because it is much cheaper than its full price. Now it is much more convenient to buy glasses online. Let me share with you the experience of trying on lenses online.

First you should find a websites that provide Virtual Try-on service. For example, I visit the Firmoo's website, Firmoo.com, which is introduced by a friend of mine. If you are the first time to use this system, it is recommended that you spend one minute creating an account which will allow you to upload photos of yourself and shop faster online.

Lenses

The following simple four steps allow you to try on glasses online conveniently.

Virtual Try-On - Choose and Try on Lenses Online

The first step is to choose a photo for you to try on glasses. You can upload your own photos from your local disk or you can get your photos from your webcam. The photos you used to try on glasses online should be similar with your certificate photo. Besides, you can also choose female or male models' photo provide by the websites.

The second step is to select a pair of glasses from the Select Style column. You can use the drop down combo box to narrow your search. For example, you can select your gender, and there are four choice, women, man, unisex and kids. You can select frame size of small, middle and large. You can select frame styles such as full rim, semi-rimless and rimless. You can limit the materials of glasses to one of the following: plastic, metal, titanium and flexible. There are five glasses styles for you choose form, including classic style, fashion style, retro style, style and clip-ons style. Firmoo.com also provides you several price ranges from under to over . After you set up the search condition, you just need to click the button of Search.

The third step is to choose a pair of glasses in the column of Frame List all of which are in accordance with your search condition. Just click the picture of glasses that you like, you will find that the glasses you chosen have been on your photo.

The last step you should do is to adjust your photo to a suitable size (using the zoom in and zoom out tools just beside your photo) and position (moving your photo using the left mouse button) to see if the glasses are suitable for you. It is better for you to know your interpupillary distance before you try on glasses online so that you can adjust your photo to the size of you face using the approximately measure tool.

Help yourself repeating the four steps described above until you find a pair of glasses that you favor most.

Virtual Try-On - Choose and Try on Lenses Online

Firmoo.com is the emerging online optical store selling high quality eyewear, such as prescription eyeglasses (single vision myopic glasses, reading glasses, bifocal and progressive eyeglasses etc.,), prescription sunglasses (with RX tinted lenses), prescription sports goggles. Firmoo guarantees lowest possible price in the market. Firmoo's return and refund policy makes any purchase risk-free ones.

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Wednesday, April 18, 2012

What Are Lotemax Eye Drops?

Lotemax and Alrex are two brand names of the ophthalmic solution Loteprednol. The rights of this solution were purchased from Pharmos Corporation by Bausch & Lomb for approximately twenty five million dollars in cash. Lotemax is now the number one prescribed ophthalmic steroid brand in the United States.

Lotemax eye drops are generally prescribed for eye redness and irritation that can occur if one suffers from seasonal allergies, a problem with the eye that results in redness or from inflammation caused from surgery. Lotemax is classified as a corticosteroid and is only available through a prescribing physician. One should use caution with these eye drops especially if allergic to the preservative benzalkonium chloride or if pregnant.

Lenses

Studies have not been conducted on the effects of the ophthalmic solution on pregnancy but high doses of the drug given orally to animals in test trials have resulted in birth defects. If 0.5% solution is prescribed, the user should not wear soft contact lenses but if 0.2% solution is prescribed and the user has eye redness then the individual should wait a total of ten minutes before reinserting soft contact lenses.

What Are Lotemax Eye Drops?

Lotemax dosage is one to two drops in the eye four times a day for a period of two weeks. One should take care and not use Lotemax for a period longer than prescribed or discontinue use prematurely. Prolonged use of this medication may result in optic nerve damage and glaucoma as well as vision problems. Problems associated with this medication are increased interocular pressure or fungal infection.

What Are Lotemax Eye Drops?

Lotemax eye drops [http://www.buyeyedrops.com/lotemax-eye-drops/] and Alrex eye drops [http://www.buyeyedrops.com/alrex-eye-drops/] have proven the best two eye drop medications in treating eye allergies.

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Monday, April 16, 2012

Contact Lenses - Tips and Tricks for First Time Users

It's quite common for people to avoid getting contact glasses or lenses because they are unsure of how to put them in... or even that they will be able to deal with having something in their eyes every day. However, contacts are really quite easy to use, once you get the hang of it. The first couple of times, you may be hesitant, but this article will show you how to put your new contact lenses in and how to ensure that they don't bother you.

To make sure that your contact glasses don't have calcium build up that could irritate your eyes, you'll want to soak them in lens cleaning solution for at least 4-6 hours. This will loosen up anything that has built up during the time they have been in the package. After the soak time, rinse your contacts thoroughly with saline solution (NOT tap water) and check them for any scratches or tears. Then you're ready to put them in.

Lenses

You should wash your hands with soap and water before handling your contact glasses. This just ensures that no dirt or grime will get trapped under the lens where it can irritate your eye. Also, dry your hands carefully, since a wet fingertip will tend to stick to the contact, making it harder to insert.

Contact Lenses - Tips and Tricks for First Time Users

Once you have prepared everything and your hands and contact glasses are nice and clean, you are ready to get started. Take the first contact lens and place it on your fingertip. It should look like a little bowl sitting there, with the top edges horizontal. Soft contacts can get turned inside out by accident sometimes and if this happens, you'll notice that the edges flare out. Just turn it right side out and it will be fine.

The easiest way to put your contact glasses in is to place the contact lens on the index finger of the hand closest to your eye, left hand for left side, etc. Use the middle finger of that same hand to pull the lower eyelid down and the opposite hand to lift the upper lid. Basically, you want your eye open as much as possible, you should be able to see the entire colored part of your eye.

Now, place the contact gently in the eye, making sure that it doesn't stick to your finger and let go of your eyelids. Blink a few times and the contact will automatically center itself. You should be fairly comfortable at this point. But, to make sure that you don't have any problems, you'll want to make sure that you don't wear your new contacts for very long the first few times, since they can be drying to the eyes.

Following the recommended time schedule for wearing your contact glasses is definitely a good idea, but you might want to use some lubricating eye drops (ask your eye doctor for recommendations) to help ease any discomfort. It's normal to have slightly irritated eyes the first few times that you wear contacts. You might find that your eyes tear up and get a bit red, but that's normal. However, pain is not, so if you have any pain, just take them out.

Trying out contact lenses for the first time can be a bit nerve-wracking, but it will get easier. Within a week, you'll be a complete expert at putting your contacts in and taking them out!

Contact Lenses - Tips and Tricks for First Time Users

Clearly Contacts is the only online contact lens company that offers high quality contact lenses and delivers worldwide.

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Saturday, April 14, 2012

Why Progressive Contact Lenses Eliminate Reading Glasses

Progressive contact lenses help you get rid of reading glasses. Most people past about age 40 have trouble focusing at close distances. You can use reading glasses to solve the problem, but contact lenses offer another solution. Contacts may work for you even if you've never worn them before.

Until recently most bifocal contacts were hard lenses. Either that or you wore one lens with a close prescription and one lens with a longer vision prescription. Either option has serious disadvantages. Hard lenses aren't exactly anything to look forward to. Wearing two different prescriptions is a sure way to depth perception problems and some fuzzy vision too. So what about soft contacts?

Lenses

Now you can wear bifocal contacts even if you want soft contacts. Here's how it works... The contacts are made with the prescription areas in rings. When you look out at a distance, you're mostly looking through one area of the lens. When you look close, you're looking through another area. The result is you get clear vision up close and far off and you get the same clear vision with each eye.

Why Progressive Contact Lenses Eliminate Reading Glasses

You can choose from several brands of contacts with this feature. The Acuvue Bifocal is one popular model. Another plus for these lenses is the comfort for the wearer. See the lens material is over half water. A contact lens floats on a layer of tears on your eye. With these high water contacts, you get more comfort and less problems. With a contact that's mostly water, often you can hardly tell you wear contacts.

Your eye doctor will help you with your options for bifocal contacts, but soft contacts are often most comfortable. Comfortable lenses are much easier to wear and easier to get used too. That's a big factor especially if you're new to wearing contacts.

Why Progressive Contact Lenses Eliminate Reading Glasses

We have more details about progressive contact lenses right on our website.

Find the best contact lenses including color contacts at http://BuyCheapContactLenses.com.

Al Bullington has worn contact lenses for nearly 30 years and is now a fan of Acuvue contacts. That's what he wears.

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Friday, April 13, 2012

Colored Contact Lenses with No Prescription

Colored contact lenses create dramatic eye color changes to light or dark eyes for a new attractive and natural look. The colored lenses for visual correction must be fixed to your eye by an ophthalmologist or optometrist. There are also colored contacts without visual correction. Examples are various cosmetic contact lenses that are designed only for cosmetic uses.

Cosmetic lenses change your eye color to match your mood or an outfit. Lots of people buy these lenses as they are safe, affordable and easy to use. They are also fun to wear and can add a little pleasure to your life. Most cosmetic lenses are clinically verified to be safe.

Lenses

One can buy colored contact lenses with no prescription in many styles and colors, ranging from blue, honey, amethyst, green, gray, brown, turquoise, and sapphire to pure hazel. Usually, they are disposable and designed to throw away after a fixed time (45 or 180 days). These lenses are meant for professional or recreational purposes.

Colored Contact Lenses with No Prescription

Buying correct fitting lenses is important for your own comfort. A loose fitting lens that floats away from the eye results in scratching of the cornea. When buying colored contacts with no prescription, you are advised to consult an eye specialist first. This step ensures that your eyes are healthy before you buy lenses with no prescription.

Most dealers will not sell colored contact lenses with out prescription, even if you have right vision. But a few websites allow you to buy these lenses with no prescription, since they are considered cosmetic contact lenses by some manufacturers. However, you need to be cautious while selecting the colored contact lenses that require no prescription as there could be a possible risk of developing eye injury.

Colored Contact Lenses with No Prescription

Colored Contact Lenses provides detailed information on Colored Contact Lenses, Cheap Colored Contact Lenses, How Colored Contact Lenses Work, Non Prescription Colored Contact Lenses and more. Colored Contact Lenses is affiliated with Non Prescription Color Contacts [http://www.e-ColorContacts.com].

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Wednesday, April 11, 2012

How Do Contact Lenses Work?

Contact lenses rest on your cornea atop a constant supply of tears. The contacts are also held in place by pressure exerted from the eyelids. When you blink the pressure from the eyelids cause the contacts to move slightly and glide over your cornea. This allows the tears underneath to gently flush out trash or debris that may have accumulated in your eye.

This is just how the contact stays on the eye and is able to provide a way to correct vision. The way the vision is corrected is a different story altogether.

Lenses

Contact lenses are prescribed to a wide variety of individuals who have vision problems associated with astigmatism, nearsightedness, farsightedness, and presbyopia. The retinas of individuals who suffer from these conditions cannot properly focus light. When the retina does not function properly and/or does not properly focus light then the result is imperfect and blurry vision.

How Do Contact Lenses Work?

Contact lenses are made differently depending on the eye condition they are trying to correct. For instance, if you suffer from astigmatism your optometrist will measure your cornea so a contact can be made precisely to fit your eye. By doing this a contact is made that will fit your eye perfectly and direct light rays to one place on the cornea, which in turn corrects your vision.

Those suffering from myopia, also known as nearsightedness, will wear lenses that are thinner in the middle and thicker on the edges. This design allows the light rays to be processed correctly by the retina.

Farsightedness sufferers are prescribed just the opposite contact lens, but with the same end result. They allow the retina to process light correctly as well, resulting in corrected vision for the wearer.

All contact lenses use the basic technology to correct vision for the wearer. They redirect light to the retina so it is processed correctly. The only difference is contacts are made differently to treat different eye problems.

How Do Contact Lenses Work?

Maria Gonzalez is webmaster of Contact Vision, a site dedicated to bringing you up to date information on vision related topics.

See our website for more great articles on contact lenses

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Monday, April 9, 2012

How to Improve Eyesight Naturally - How to Get 20-20 Vision Naturally

Looking to find out how to improve eyesight naturally? Having to wear glasses or contact lenses to get through every single day is frustrating to say the least. Having worn glasses from a young age and later on contact lenses, I can safely say that depending on them to get through life is annoying to say the least!

When it comes to learning how to improve eyesight naturally you need to understand that traditional methods for vision correction only make your eyesight deteriorate overtime. How many times have you gone to for regular eyesight test only to be told that you will need strong lenses?

Lenses

There reason we are required to constantly upgrade the strength of our lenses and contact lenses is because their use overtime allows our eyes to become lazy. Although they help us get through and function in our daily lives, as we get older the problems only increase with the help of mother nature.

How to Improve Eyesight Naturally - How to Get 20-20 Vision Naturally

If you are trying to discover how to improve eyesight naturally, say goodbye to poor vision and throw away your glasses and contact lenses forever keep reading.

Changes in modern society has lead to most people being stuck in front of a computer or many hours watching television. This is why there has been a dramatic increase in the number of people wearing corrective glasses and contacts. Our eyes are getting lazy but you can turn things around and discover how to improve eyesight naturally.

One of the most critical component to helping improve your vision is to do eye strengthening and relaxation exercising. One of the most popular exercises in Palming. Palming requires you to sit comfortably and cover your eyes with your hands, make sure you rub your hands together to create some warmth before covering your eyes.

Ensure there is no light coming through, if you see any traces simply imagine that it is completely dark. Focus on your breathing by taking slow deep breathes. Do this for 3 minutes at a time while and visualise something interesting.

Diet and exercise play a critical part in the health of your eyes. Ensure you get physical exercise and have a balanced diet, chock full of vitamins and minerals. Having a balanced, healthy diet slows down the aging process but it also provides the best nutrients possible for the health of your eyes.

Certain cultures have a lower incidence of poor eyesight amongst their population. One of these countries is China where children are made to do eye relaxation exercises in the classroom that were devised over 100 years ago by Dr William H Bates. The Bates Method as it's commonly called, has been used world wide for over 100 years with amazing results.

Dr Bates also showed patients how to improve eyesight naturally, throw away their glasses forever and in most cases restore eyesight to 20/20 vision regardless of age!

While not every vision problem can be cured using the Bates Method, vision problems such as being shorted sighted or far sighted can be easily corrected by following these techniques a few minutes per day.

How to Improve Eyesight Naturally - How to Get 20-20 Vision Naturally

Discover how to improve eyesight naturally using the Bates Method today. Say goodbye to glasses and contact lenses and the temptation of risky and expensive eye surgery.

Learn how to improve eyesight naturally to achieve 20/20 vision by using a series of techniques that have helped millions of people improve their eyesight for over 100 years at http://www.how-to-improve-eyesight.net

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Sunday, April 8, 2012

Choosing the Best Memory Card For Your Digital Camera

Which brand of memory card should I buy? Does it make a difference? How big of a card do I need? Is one large card better than multiple small cards? Does the speed rating of the card matter? This article was written to help answer these exact questions.

Cameras and lenses can be easily replaced, especially if they are insured. Those images from the three-week safari, your relatives wedding, or your summer long European tour, simply can't.

Digital Camera

Memory Card Reliability

Choosing the Best Memory Card For Your Digital Camera

The first thing to look at is the memory card itself. Most entry level and amateur level cameras use SD (Secure Digital) memory cards. Most professional and prosumer cameras use CF (Compact Flash cards). In general, Compact Flash cards tend to cost more, but offer higher read/write speeds, larger capacities and be less prone to failure than the Secure Digital Cards. This article will focus on those two card types.

While there are many manufacturers of memory card out there, the top tier, and the choice of the vast majority of pros, are SanDisk and Lexar. These are also the only two brands than Nikon tests with and recommends.

SanDisk claims a MTBF (Mean Time Before Failure) of over 1,000,000 hours - that's almost 115 years before the average card fails. Their cards are rated for over 10,000 insertions. A sophisticated defect and error management system can rewrite data from a defective sector to a good sector on the fly. SanDisks built in Error Detection Code and Error Correction Code to try to recover corrupted data automatically.

The regular (blue) SanDisk CF card has an operating temperature range from 0°C to 70°C (32°F to 158°F). The Extreme III cards are rated with an operating range of -25°C to 85°C (-13°F to 185°F). They can withstand a shock of 2,000G (or about a 10 ft drop onto a concrete floor). Hard-drives can only withstand a 200-300G shock - a drop of less than 2 foot.

SanDisk quote less than 1 non-recoverable error in every 10^14 bits read (or one error for every 12.5 terabytes of data - or one out of every million 12.5Mb RAW files, or one out of every three million Fine JPEGs).

Overall the reliability from their Compact Flash cards is significantly better than even the best hard drives on the market today.

One important note: there are many fake SanDisk cards in the marketplace. Some of these are cheaper manufacturers cards with SanDisk stickers and packaging. Some are custom made with no quality control and put into SanDisk looking boxes. Our best advice, is to only buy from a reputable retailer like Amazon.com or BHPhotoVideo.com, and avoid buying memory cards that appear too cheap, are for sale on eBay, or some market stall while traveling etc - stick to reputable sources that are authorized dealers.

However, even with the best cards, errors do still occur. There are many, many millions of these cards in circulation today. Look at any DSLR internet forum, and you'll find reports of lost images. Most of these you'll note are either with cheaper cards, potentially fake SanDisk or Lexar cards, or caused by user error. If you remove the card from the camera before the camera has finished writing the data, you'll lose images that the camera hasn't completed writing. It's very easy to accidentally format a card, especially if you use multiple cards. There are reports of certain software applications importing the images from the card, then the user deleting the card, only to find that the application only imported the thumbnail JPEGs that were embedded into the RAW image files, not the actual RAW image files. In virtually all these cases, most of the images are recoverable using data recovery software.

Bottom line, trying to save on a memory card for a camera/lens system that costs hundred or thousands of dollars makes very little sense. If you stick with the top tier brands, memory cards are very, very reliable, and they are far from the weakest link in the typical users workflow.

Card Sizes: One Large Card vs. Multiple Small Cards

How much card space you need depends on what format you shoot (RAW files are significantly larger than JPEG's), and how many shots you are likely to take between getting to a computer to clear off and backup the cards. If I'm traveling, I've usually got a laptop with me so I can backup my cards every evening. Some days I may only take a dozen shots, but it's also not unknown for me to take several thousand shots in a day if I'm at an event with a lot of action.

On a Nikon D200 containing a blank 8Gb SanDisk card, the camera claims 480 shots are available for RAW shooting. This number is usually conservative, as the size of the RAW file varies. My Nikon D300 regularly gets around 700 shots on an 8Gb card using Lossless Compressed NEF files. If you switch the D200 to Fine JPEG, it shows 1,300 shots available. If you select RAW plus Fine JPEG, it shows 354 shots available. Your cameras manual will contain a table showing similar data for your particular model.

There are conflicting opinions as to if one large card is better, or if many smaller cards are. The argument for smaller cards is, that if your card fails or you drop your camera in the ocean, you lose less data. The argument for larger cards, is card failure is very rare, and largely recoverable. You also risk a much higher chance of dropping a card, getting it wet, sitting on it, losing it, accidentally erasing it, forgetting it or leaving it in your hotel room if you are managing multiple cards.

There are other things to consider also. Uploading to computer can take a long time - putting in one large card and leaving it to upload is a lot less work than swapping multiple smaller cards and uploading each one manually. A 4Gb size card is ideal if you back up to DVD - it's the largest card size that will completely fit onto a DVD, making the back up a simple drag and drop.

There is no right or wrong answer, we've standardized on 8Gb Compact Flash cards - mainly because they hold a decent number of shots and usually offer the best price per gigabyte. I'll carry up to ten of them with me when I'm traveling. As larger cards become more common and prices drop further, we'll go to larger sized cards. The most important thing is to make sure you have enough memory card space to last you until you can upload them to a computer - it's better to have more than you need than not enough.

Card Speed: How Fast Do I Need?

Memory cards come in a wide range of speeds, and the faster the card, the more expensive. How fast of a card you need depends on a number of items:

Is how long it takes for the images to upload to a computer important to you? If you are uploading via cable from your camera, your upload speed is limited by the camera. If you are using a CF of SD reader, you are limited by the speed of that. For the absolute fastest uploads, use a card that supports UDMA (like the SanDisk Extreme IV's, SanDisk Ducati's, and Lexar 300x) in a FireWire reader. For example, the SanDisk Ultra II 8Gb card claims a 15 Mb/second read speed, so that would take almost 9 minutes to upload on an optimally configured system. The 8Gb Ducati card claims a 45Mb/second speed, so would take less than three minutes to upload.Which camera do you use? The Nikon D200 does not support UDMA, so even though an Extreme IV is faster in it than an Extreme III, the card is much slower than it is in the D300 - the D300 can handle a much faster data transfer rate. How likely are you to fill the camera buffer? If you shoot landscape or take several minutes to compose each shot, then you don't need a fast card. If you are shooting non-stop action and taking sequence after sequence at 8fps, you'll need as fast a card as possible. Cameras like the D200 and D300 have a big enough on board buffer to store about 17 shots if you are shooting RAW. Once you've taken a picture, the camera writes it to the memory card and erases it from the buffer as soon as it can. Once the buffer is full, the camera won't let you take another picture until it's written an image to the memory card and made room in the buffer. If you are using an Ultra II card in a Nikon D300, this means you may only be able to take a shot every 2-3 seconds when the buffer is full. If you are using a Ducati card, you may still be able to manage a couple of frames a second. Then if you stop shooting, the Ultra II may take a minute or so to get the buffer cleared and all written to the card. The Ducati card will allow the camera to write the images to the card and clear the buffer in seconds.

If you take your time to compose each shot, and upload speed isn't important to you, then memory card speed isn't important. If you are shooting action or sports and use a rapid frame rate frequently, then you want the fastest card, and camera, that you can afford.

Data Recovery Whether you've accidentally removed your memory card while the camera was still writing, deleted or formatted the wrong card, or the card has developed an error, it's usually possible to retrieve some, if not all of the lost data.

The higher end cards from both SanDisk and Lexar come with their respective data recovery software packages on CD. SanDisk's is called RescuePro, and Lexar's is called Image Rescue. Both are reputed to be very effective. A third part solution called PhotoRescue is also widely used and reputedly better than both SanDisk's and Lexar's offerings, fortunately we've not had the need to find out.

In Summary

Your photos are infinitely more important than your camera gear. By selecting the right memory cards and taking a few simple precautions, you can potentially save yourself from losing irreplaceable photographs due to the unforeseen events that hit us all occasionally.

Choosing the Best Memory Card For Your Digital Camera

Steve Denton has been a Photographer using Nikon equipment for over 20 years, since he bought his first Nikon F Photomic.

He also runs the web site http://www.DentonImages.com, a web site dedicated to DSLR photography, covering the latest news from the major manufactures including Nikon, Canon, Leica and Hasselblad, as well as equipment reviews, articles, travel and galleries.

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Friday, April 6, 2012

Canon Vs Nikon - Digital SLR Camera Comparison

It is imperative to understand the technology of DSLR cameras before contrasting the differences between to models.

Compare digital SLR cameras of Canon and Nikon

Digital Camera

These are not just simple 'point and shoot' units. The DSLR, short for Digital Single Lens reflex gives users the ability to make the picture turn out the exact same as what is seen through the eye lens, or viewfinder.

Canon Vs Nikon - Digital SLR Camera Comparison

In the 'point and shoot' units, the scene depicted in the viewfinder is not the same as what come through the primary lens. The viewfinder portion is not indicate of final product in traditional digital cameras. Therefore, in the DSLR cameras, the images are the same. Therefore, the photo taker will be able to take a picture that will turn out the same as what is seen through the viewfinder. This visualization makes picture taking much easier and more accurate.

There are three basic categories for both Canon and Nikon for SLR digital categories. Beginning with the amateur level machines, the Canon Rebel XS (1000D) and also the Nikon D60 fall into that category. There are many differences between the Rebel XS and Nikon D60. If you have older Canon lenses you want to use with it, the Nikon D60 will work with most of them; while the older Nikon lenses may not work with the Nikon D60.

The next category of these cameras is for more professional use. These are usually larger and more expensive. They require some expertise to use effectively. Cameras that fall into this category are the Canon Rebel T1i 500D as well as the Nikon D 5000. The Canon Rebel T1i and the D5000 are actually very similar in their capabilities; although the ISO range varies. The D5000 range is 100-6400 while the T1i has a larger range of 100-12800.

Finally, there is another category to compare digital SLR cameras. They fuse together several of the features from each of the previous categories. These can be used by amateur photographers who want to take more professional quality pictures. In this category, the Nikon D300 and Canon 50D would meet those needs. These are both really good cameras and are almost identical in their features. There are a few subtle differences; the Canon is actually lighter at 29 oz than the Nikon at 32.6 oz. Also, the ISO range is slightly different; the Canon ISO boasts 100-12800 where the Nikon range is 100-6400.

Canon Vs Nikon - Digital SLR Camera Comparison

Check out the best SLR camera deals, but make sure you check out the SLR camera cases to protect your new purchase.

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Tuesday, April 3, 2012

Alphabet Soup - Alphabet Poetry Form Variations

A - B - C - D - E - F - G ~ gee, are these poetry form variations easy - or are they only deceptively simple?

~A~

Cut EF

The simplest variation of alphabet poetry consists of creating a twenty-six line poem using the alphabet, with lines beginning with consecutive letters of the alphabet from A to Z. If you decide to live a bit more dangerously, you could write a twenty-six line poem and begin your lines from Z to A.

Alphabet Soup - Alphabet Poetry Form Variations

This is a contemporary offshoot of the Abecedarian form. Originally the Abecedarian was created in Hebrew and had a stricter form made up of one hundred seventy-six lines grouped into eight-line stanzas. The Abecedarian was considered sacred - some even made the biblical cut.

~B~

If you'd like more of a challenge, try creating a twenty-six word poem - using the alphabet (in order, either A - Z or Z - A) as each word's beginning letter. The challenge here is to create something coherent.

Another version would be to only use vowels (in order, either frontward or backwards) as your beginning letters of each line.

~C~

An additional variation would be to create a poem (with any line count desired) using a single common letter to begin each line. For example, if your first line begins with the letter "B," then every line after must begin with the letter "B."

For a blending of this variation with an acrostic poem, you could have each stanza's lines have the same unique beginning letter, but then the stanzas would spell out something. For example (showing only the beginning letter formation):

A...

A...

A...

L...

L...

L...

I...

I...

I...

V...

V...

V...

E...

E...

E...

~D~

Finally, my favorite version is the one where a poet takes a letter of the alphabet and studies it. What does it remind you of? Does an "o" make you think of a perfect pearl plucked from the sea? Perhaps you take the point of view of a mugging victim and the end of a gun's barrel is the "o" they can see - all they can see - even long after the crime.

Before we end this article let's answer the question posed at the beginning: Are these poetry form variations easy - or are they only deceptively simple? The answer is both yes and no. The forms are relatively simple, but the challenge is, as always, to create density (layers of meaning) with each word and with each line.

Alphabet Soup - Alphabet Poetry Form Variations

© 2007 Holly Bliss. All Rights Reserved. This document may be freely redistributed in its unedited form and on the condition that all copyright references are kept intact along with the hyperlinked URLs.

About the Author: Using her writing as paint on the canvas of her life, Holly Bliss is an eclectic writer, newsletter editor and an author on http://www.Writing.Com/ which is a site for Poetry.

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Monday, April 2, 2012

A Quick Look at Jewelry Hallmarks

British Hallmarks are the best in the world.

Who says so, the rest of the World. Although to be fair, other countries have great hallmarks too, it is just that they are NOT so often seen.

Cut EF

A book on World Hallmarks for Gold or Silver items is a must for any serious collector or dealer, but they can be a little intimidating and time consuming. Is that mark a Cockerel or a Tree? Could it be made in Switzerland or Germany?

A Quick Look at Jewelry Hallmarks

Thankfully for the rest of us, a small pocket book on UK Hallmarks is more than up to the task, coupled with that very useful plastic 10X eyeglass I keep on hinting for you to buy.

It will show you that the item has been tested and stamped, to prove it is - what it says it is (9ct or 18ct etc).

British Jewelry with a full UKHM (United Kingdom Hall Mark) is generally clearly stamped and readable after you clean it (check the website below for another complimentary article on 'How to Clean your Jewelry at Home').

Once you are aware of the marks, you will always feel just that little bit better when you buy that 'Could it be an Antique?' item at the local market, or from the guy in the Pub that everyone talks about but nobody knows.

Buyer Beware....

*Six marks on British Jewelry.*

Yes... Six?

# 1: The Maker's Mark (Usually some initials). Not all that important for everyday items, unless you want to collect Jewelry from one maker. Silver collectors may want to buy items from say, Bateman (I should be so lucky).

# 2: The second stamp is the Assay Office mark or 'Mark of Origin'. It tells you where the item came from. The most common is the LONDON Hallmark. A Leopard's Head. Sometimes this has a crown on the Leopard's Head (until circa 1821). Modern items do
NOT have a crown on the Leopard Stamp.

The other most common Assay Office marks are from Birmingham (an Anchor). Once there were many Assay offices around Great Britain and Ireland, the Chester mark for instance. Now there are just three offices left in England, Sheffield being the last using a 'Rose' on gold Jewelry (DO NOT CONFUSE THIS WITH 'ROSE GOLD' JEWELRY) as that is a color, not a mark.

In Scotland there is Edinburgh, while in Ireland there is Dublin. Pity the poor Welsh are left out again!

# 3: The next is the Assay Quality mark and is shown as the 'Lion Passant' (which means 'looking ahead') and is a guarantee of quality. This was later changed to a 'CROWN' mark with a stamp showing the quality of Gold.... 9ct or 18ct etc.

# 4: Finally, and possibly the most important mark, was the Date letter mark. It changed each year so we can tell when the item was made.

Occasionally there is an extra mark.

# 5: An example was the Queen's Silver Jubilee in 1977.

Suffice to say if you see a Brooch with four or five marks and one of them is an Anchor with an 18 next to it and a letter 'C' next to that.... It's a safe bet it was made in Birmingham in 1927, or was that 1952, or 1902, or, or, or.....

Buyer Beware the man in the Pub.

As with most Jewelry items though, our advise has always been to buy the best QUALITY you can afford from a reputable dealer who will guarantee it.

Other than that, your plastic 10X eyeglass sure helps a lot....

P.S.

If you administer a website or publish an ezine, please feel free to use this article as long as you leave all links in place, do not modify the content and include our resource box as listed below. Although it's NOT compulsory I would personally appreciate it if you could send me an email at: gemmo1@online-jewelry-appraisals.com to let me know if and where you used it. If you need other great content - complimentary of course - then drop me a line at the email address given - 'cause I've got Quality Content and Gallons of the stuff....

(c)David Foard - All Rights reserved

A Quick Look at Jewelry Hallmarks

David Foard has spent over 30 years in the Antique Jewelry Trade as a qualified gemologist and member of the Valuers Council. Get a FREE 3 part 'Hallmarking Report' on How to Identify your Jewelry Hallmarks at Home or Work by going to ==> http://www.jewellery-antiques.com and grabbing yourself a fistful of Hints, Tips, and Secrets.

gemmo1@jewellery-antiques.com

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