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21 Sep 08 Why Should you Switch Over to a Digital Camera?

Author: Roberto Sedycias

We have entered the age of . The advantages of the traditional camera over the have disappeared, and the former are increasingly becoming a part of our normal lives.

A produces digital - these are so easy to load on a computer and they can be emailed across the world to your friends or relatives in a matter of minutes. It is easy to check digital and delete them if you wish. If you find that a you have taken is useless, you can delete it easily instead of wasting , which you cannot reuse. A can go bad over time; so keeping a handy for use whenever necessary is a fine option.

One can characterize by the . Digital are made up of color dots called pixels. The pixels are expressed by height and width, for example 320 x 480. These numbers are then multiplied, providing the total amount of pixels. Large number of pixels provides more detailed , but this resource is available mostly on the more expensive cameras. Two , which means 2 million pixels, is at the low end, and may result in defects when the is enlarged. On the other hand, seven represent a robust and can handle enlargement well.

One other point to consider is zooming. The Optical feature adjusts the light which enters the camera, and this makes the scene to appear closer. The digital feature adjusts the after being digitized, to produce a closer appearance. Both can produce the desired result, but optical is preferable.

also come with internal , but this is usually too small. So you have to look at the kind of add on that the camera allows. The additional usually comes in the shape of a thumbnail sized chip, and you can carry these around conveniently if needed.

The is another area you have to consider. Some use standard sized , while others use less common, proprietary sizes. Some hold a charge better; some systems are rechargeable, while some cameras just hog power.

Then there is the preview screen - which is an LCD () screen, which shows you what the camera would see at any given point if you wish to take a . In this system, the screen is active whenever you are preparing to take a , but this will also consume the while you are doing it.

But you also have that come with an optical that does not consume power. This is helpful when you are waiting for the right moment to shoot, or when you require the preview screen to compose a at a difficult angle. You can also preview the saved on the screen and delete the ones you don`t want to keep, and thus clear space.

With the ever changing and advancements in the technology these cameras also keep getting better and better. The basic features are common for all types of , only the add on features keep varying with the price and the manufacturers choices. Usually they allow you to take automatically, i.e. you can take your own , adjust the that you have taken may also adjust the settings according to the color choice, brightness, etc. You may also create your own video album!!

Thus it is apparent that the rules over the . There can`t be any competition between the two because without doubt dominate the scene. They have effectively changed the way the world takes and possessing a is a dream for many budding .

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21 Sep 08 How to Make Your Digital Camera Batteries Last Longer

Author: Mitz

A few years ago I started selling on Ebay, Which in turn, demanded the use of a . I would take at least 50 a day, and sometimes up to 100. You would not believe how many I went through until I realised how to save and preserve my precious life. Take it from me, I never loose that great opportunity because my have unexpectedly run out.

Get the right for your

I was lucky because my came with a lithium rechargeable and also took AA rechargeable also. However, since I was a total amateur with , I promptly ruined the lithium by not letting it run out properly before charging it again. Now I just use Ni-MH AA rechargeable with at least a mAh rating of 2300. I have had rechargeable that had a rating of 1600 and they were absolutely hopeless!!! You must have rechargeable , wether it be a nickel cadmium, lithium ion or lithium polymer .

Turn off your on your
As I was taking in broad daylight, there was no need to use my . Not only did it ruin the with a bright glow, but it consumed my power like a hungry animal. To find out how to turn the camera off I had to search the internet as I had lost my user manual.

Using the was a big power user

I quickly learned that instead of browsing through the on the camera, I would wait until I had transferred them to the computer. The little harmless on the back of most is a total power hog.

Also if you do not need the on, your will last so much longer. Don’t forget that you can still look through the to take a (like they used to in the good old days). Also see how to clean your

Use your Power Saving Mode

Turn on your power saving mode for your . It almost works like a screensaver and can put your camera in sleep mode if left on by accident. It is usually a simple setting in the menu of your camera.

Avoid zooming in and out.

If you were just playing with your and started zooming in and out constantly, your would be dead within 10 minutes, whereas they would usually last 2-3 hours. They may even be dead flat within 5 minutes, depending on what type of you have.

Taking video clips with your

This is a big power user. The camera is made for digital stills and usually has the extra feature of being albe to take video clips. Not only does it take up room on your space, but it also uses your power

very quickly. If you do plan to take video clips with your you should be sure that you have more on hand. I usually take videos with the leftover power I have left when I have finished taking all the I need.

In cold weather, keep your camera and warm in your jacket until you are ready to use them. The cold drains very quickly.

Carry spare at all times

Why risk loosing that great opportunity because your in your just happen to run out. Carry a spare set of , it’s not rock science. For example, at one of my children’s sports day carnivals, another mother had to ask me to take of her child as well as mine, as her in her camera just died unexpectedly. Because she was not prepared, she had to trust that I would catch that special moment for her child.

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21 Sep 08 About Digital Cameras

Author: Mohit Sharma

The have the ability to display the on the screen immediately after the image is recorded. The to be captured can be seen on its screen instead of its . This way you can get a clearer preview of the image you are intending to capture.
The outdoes the traditional camera in its image storing capacity too. The has the ability to store thousands of on a single device. In addition you can even erase or unload the captured onto your computer and reuse the camera’s inbuilt . In some cases you can even put a new card and store more . also allow you to edit . When capturing videos, have the ability to record sound too, thus making video capturing a fun experience.
There are varied categories of :
: They are the cameras that exclusively record moving .
The professional are the ones used for production, etc. these have multiple thus enhancing the of the end product. These do not have a inbuilt VCR or .
The camcorder is another type of that has a to record sound and an to view the image that you are going to capture. This is mostly used by amateurs.
The web cameras are the type that is attached to the computers. Some of these web cameras have , while some of them also include abilities.
Compact : They are small and portable; the smallest of them are called subcompacts. They are easy to use with not many special features or high quality. They have built in of not a very high power, but sufficient for close objects. It also permits live preview. They have a greater depth of field thus allowing objects from larger distances to come in sharp focus.
Bridge cameras: They are higher-end that look a lot like . Bridge cameras have the same advanced features as SLR and the live preview like the compact .
Digital single cameras: This is the that works like the single- with a .
Digital : A rangefinder is an optical mechanism used to measure subject distance. They were once widely used on cameras.
Professional modular systems: Mostly these cameras are used in studios for commercial production. Since they are bulky and difficult to carry they are rarely used in action or nature . They can be changed to digital or cameras by simply replacing the back part of the entire device.
Line-scan camera systems: This type of camera is used in industrial areas in order to capture an image of a constant stream of moving material. This technology has the ability
These cameras are almost solely used in industrial settings to capture an image of a constant stream of moving material. Line-scan technology is capable of capturing data extremely fast, and at very high image .

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21 Sep 08 Digital Camera Buying Guide

Author: Monty Alexander

Planning to buy a ? Not sure how to get started?

Read on to discover how…..

What do you need the camera for?

If you buy a simple one that can be used at home, you will not get interesting that you need for taking really good photographic . On the other hand, it would be a waste of your money if you have the latest only to be used for personal at home.

Based on the purpose one can choose from the following main three types.

· Point and shoot: - reasonably compact, with features and size like cameras.

· Lifestyle: - with moderate features, it’s sleek and compact, so you can carry it around with ease.

· Professional: - with interchangeable , flashes and other accessories, this camera is robust and feature laden, just the right choice for a professional or serious .

These are the important features to look for?

Digital are made up of dots called pixels. The higher the number of pixels in your image, the better will be the quality of the image. This will therefore enable you to enlarge your image to higher dimensions without creating a pixilated (broken) image.

Compression

Compression shrinks a ’s file size, thus accommodating more in the card. However compression causes a small amount of data loss. If you need the absolute best-quality , you have to consider buying a camera that takes uncompressed but will accommodate less number of .

A camera’s size will decide the number of that can be stored. of 128MB will be good enough if you want to use the camera mostly at a social do or a party. If you are on a vacation or when you cannot download for days at a stretch, a of 512MB to 1GB will be most favorable.

Most come with at least an optical but many also come with an built into the back. For a , they vary from 1.5-2.5 inches.

Lens

It is the length of a camera’s lens that determines how much of a scene will fit in a . A “Normal” lens is about 50mm, most closely approximate to what your eye sees.

Optical

This enables the to in on an object without any problem in quality. Depending on the magnification number, you can in more.

Digital

This feature enables the to in on the centre of the by removing the edges of the image.

Focus an exposure

In most cameras, the correct exposure for the lighting conditions is automatically determined. A camera rated ISO 100, has approximately the same light sensitivity as that of a traditional camera loaded with ISO 100 . A higher ISO rating means that the camera is more sensitive to light and is potential enough to take in darker settings.

Audio and Movie capture

This feature allows you to record sounds and moving at the same time, in exactly the same way that a camcorder functions. Some provide the facility to record a few seconds of audio with each shot, thus letting you add a personal sound bite to your .

Movie mode

This is a feature that lets you take short clips with your camera. The total record length is typically limited to 10 to 90 seconds.

Most come with an in-built . Some cameras however include additional features, such as red-eye reduction or night portrait mode.

Image erase

Most cameras also let you select to erase. This handy feature gives you the chance to edit out the you don’t want in order to create space in the .

Self-timer

A self-timer allows your for a delayed exposure, usually giving you about 10 seconds before the is taken.

Computer connections

Most high-end cameras have software and connections for both Mac and PC computers. However it is necessary to make sure the you want is compatible with your platform before you buy it.

This feature enables the to capture still of something moving very fast.

Printing

Nowadays you can buy special , depending on the compatibility of your camera, to print off your without connecting it to a PC. This applies both for digital and SLR .

How important is size and portability to you?

Size is another very important factor to consider. If you are to use the camera for non professional purposes the size has to be small as you cannot afford to carry huge when you are enjoying a trip.

What is your budget?

Based on the budget the features will vary and the overall offering of a camera. Today’s run anywhere from Rs 800 to Rs 30,000, depending on and features. While the initial expense of a is still high you may find that the added convenience and savings in and processing costs are worth it.

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21 Sep 08 Caring for Your Digital Camera

Author: Monty Alexander

Most of the have auto-focusing which enables even a kid to take decent . The helps in getting the right composition of the image. The preview of the clicked allows keeping the best one from the lot and deleting the rest thus saving on space for more clicks.

don’t come cheap. With the kind of features and utility levels of a a good one costs above ten thousand. Good brands included , , etc. A (Single ) would start from thirty thousand and run into lakhs. ’s are hi-end cameras with professional features and good . When one spends so much on a good quality taking care of it is also very important. All parts of the camera should be taken care of and there are equipments available in the market for the same. These equipments are one time moderate investment in keeping your expensive camera in good condition.

Camera parts like the lens, and the are the most essential elements of a camera. These parts should be regularly cleaned and taken care of. There is a blower available in the market which helps to dust off the dirt on the lens. One should never touch the lens, the or the with fingers. The blower helps in removing the dirt and a lens cleaning solution helps in removing the sticky particles on the lens or . The cameras should be put on when not in use this is the best way to protect your cameras eyes. Once the lens and are cleaned the camera assures clear and good view of the image.

should be taken out when not in use. If you intend to store your camera for a long time the should be removed and on the next usage they should be charged and then used. discharge over a period of time and using them without recharging or storing them may hamper your camera and its performance. Also the camera should be stored in a cool dry place. Keeping your expensive inside your car in summers will hamper the camera and you will have to bear a heavy price for your carelessness. Camera accessories like the extendable card should also be taken care off. The card should not be taken out while transferring and should be stored properly when not in use. This enables good performance of the card otherwise it could be corrupted and will turn useless. Thus taking mediocre care of your and spending a little amount on its care would help in maintaining and making your camera viable for years together.

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20 Sep 08 The Magic Behind Digital Camera

Author: Harry Rockwell

A , as opposed to a or videotape camera, uses an to transform (or video) into electronic data. Modern are typically multifunctional and the same device can take , video, and/or sound.

In 2005, are starting to push traditional cameras out of many markets. Shrinking device sizes have recently allowed miniaturized to be included in multifunctional devices, such as cell phones and PDAs.

Classification

can be classified into several groups:

* Professional such as those used in television and movie production. These typically have multiple sensors (one per color) to enhance and color gamut. Professional usually do not have a built-in VCR or .

* Camcorders used by amateurs. These are a combination of camera and VCR to create an all-in-one production unit. They generally include a to record sound, and feature a small LCD to watch the video during filming and playback.

Still cameras

are generally characterized by the use of and USB or Fire Wire for and transfer.

Most have a rear LCD for reviewing . They are rated in ; that is, the product of their maximum dimensions. The actual transfers to a host computer are commonly carried out using the USB mass device class (so that the camera appear as a drive) or using the Transfer Protocol and its derivatives.

All use a (for Charged Coupled Device) which is a chip comprised of a grid of phototransistors to sense the light intensities across the plane of focus of the .

There has recently been some application of a second kind of chip, called a (Complementary Metal-Oxide Semiconductor) sensor, and this chip is often differentiated from a proper in that it uses less power and a different kind of light sensing material, however the differences are highly technical and many manufacturers still consider the chip a charged coupled device. For our purposes, a chip sensor is a .

* Standard : This encompasses most . They are characterized by great ease in operation and easy focusing; this design allows for limited motion capability. They have an extended depth of field.

This allows objects at multiple depths to be in focus simultaneously, which accounts for much of their ease of focusing. It is also part of the reason professional find their flat or artificial-looking. They excel in landscape and casual use.

* typically have a sensor nine times larger than that of a standard , and are targeted at professional and enthusiasts. They resemble ordinary in most ways, with replaceable and lens components, which give the user maximum control over light, focus and depth of field.

They are also bulkier and more expensive than their casual-use oriented counterparts. They are superb for portraiture and artistic because they can be customized for various applications with a comprehensive range of exchangeable .

Professional modular systems

High-end backs used by professionals are usually separate devices from the which they are used with. (This is because most of the large- and medium-format camera systems in professional use at the time that digital capture overtook as the professional’s medium of choice were modular in nature, i.e. the had multiple , viewfinders, winders and backs available for use with it to fit different needs.)

Since the first backs were introduced there have been three main methods of “capturing” the image, each based on the hardware configuration of the particular back.

The first method is often called “Single Shot,” in reference to the number of times the camera’s sensor is exposed to the light passing through the .

Single Shot capture systems use either one with a Bayer filter stamped onto it or three separate CCDs (one each for the primary additive colors Red, Green and Blue) which are exposed to the same image via a beam splitter.

The second method is referred to as “Multi-Shot” because the sensor is exposed to the image in a sequence of three or more openings of the lens aperture. There are several methods of application of the multi-shot technique.

The most common originally was to use a single with three filters (once again red, green and blue) passed in front of the sensor in sequence to obtain the additive color information.

Another multiple shot method utilized a single with a Bayer filter but actually moved the physical location of the on the focus plane of the lens to “stitch” together a higher image than the would allow otherwise. A third version combined the two methods without stamping a Bayer filter onto the chip.

The third method is called “Scan” because the sensor moves across the focus plane much like the sensor of a desktop scanner.

These CCDs are usually referred to as “sticks” rather than “chips” because they utilize only a single row of pixels (more properly “photosites”) which are again “stamped” with the Bayer filter.

The choice of method for a given capture is of course determined largely by the subject matter. It is usually inappropriate to attempt to capture a subject which moves (like people or objects in motion) with anything but a single shot system.

However, the higher color fidelity and larger file sizes and available with multi-shot and scan-backs make them attractive for commercial working with stationary subjects and large-format .

Webcams

* Webcams are attached to computers, used for or other purposes. Webcams can capture full-motion video as well, and some models include or ability.

These devices range in price from very inexpensive to expensive higher-end models; many complex webcams have a servo-controlled base capable of tracking facial motion with the help of software.

Interpolation

Image color or interpolation is used unless the camera uses a beam splitter single-shot approach, three-filter multi-shot approach, or Foveon X3 sensor.

The software specific to the camera interprets the information from the sensor to obtain a full color image. This is because in digital , each must have three values for luminous intensity, one each for the red, green, and blue channels. A normal cannot simultaneously record these three values.

The Bayer filter pattern is typically used. A Bayer filter pattern is a 2×2 pattern of light filters, with green ones at opposite corners and red and blue elsewhere.

The high proportion of green takes advantage of properties of the human visual system, which is determines brightness mostly from green and is far more sensitive to brightness than to hue or .

Sometimes a 4-color filter pattern is used, often involving 2 different hues of green. This provides a wider color gamut, but requires a slightly more complicated interpolation process.

The luminous intensity color values not captured for each can be interpolated (or guessed at) from the values of adjacent pixels which represent the color being calculated.

In some cases, extra is interpolated into the image by shifting photosites off of a standard grid pattern so that photosites are adjacent to each other at 45 degree angles, and all three values are interpolated for “virtual” photosites which fall into the spaces at 90 degree angles from the actual photosites.

Connectivity

Many can connect directly to a computer to transfer data. USB is the most widely used method, though some have a Fire wire port.

Integration

Some devices, like mobile phones integrates . Mobile phone cameras are much more sold than standalone digital ones.

need to store data. The higher one goes in size, the more will be needed. Cameras use a removable card to store data, but the cheapest and smallest cameras may simply use fixed internal instead. Some cameras come with inbuilt as well.

Autonomous devices

An autonomous device, such as a , operates without need of a computer. The camera connects to the printer, which then downloads and prints its . Some DVD recorders and television sets can read cards too.

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20 Sep 08 How to Find the Best Digital Camera

Author: Nicholas Tan

It seems that every month, if not every week, different manufacturers are coming up with the latest to entice potential clients. And it’s just not working for us!

After spending sizeable amount of time at the mall figuring out which is the best for us, we finally have enough money to buy for that eye-popping, 7 mega , 10x digital , potable, candy colored, up to 512MB expandable of super hi-speed SD card and not to mention very portable, (that will be the envy of almost everyone we know). We march to the mall armed with our life savings and lotsa pride in ourselves, when we pass by a new display - an eight mega , up to 1G expandable , with built it mic and stereo surround, video playback capable, with 22 scenic modes kind-of-camera. And we sigh because the producer of this amazing claims that this is the best yet out in the market. And so as we always want to have the best, armed with our life savings and a few credit cards, we buy the “best .” But then again, that doesn’t last too long, after two months or so, there’s another “best .”

And so it confuses us. What makes a , the best ?

Well, there are certain factors to consider when looking for the “best ” for us.

. One of the most important features of to make it into the best category is its mega property. The higher the the better the actual will come out. A mega is equivalent to one million pixels. The of your image is based upon the mega property of your camera. This means that as you enlarge the , you would get more detail and less blurry colors.

LCD SIZE. The best will always have a large LCD to help you frame your subject without having to squint to the . This is also helpful when reviewing your , some cameras enable touch up and editing features with its LCD. A 1.5-inch display is average, a 2-inch is good, but the best LCD size would be 2.5 inches or higher.

. Most have both digital and optical . A higher optical is always better than a higher digital . are usually furnished with optical of between 3x to 10x. The better the optical , the higher it climbs up to the best category.

CARD. Always make sure that your card is the right one for your . There are different types of card like the xD, SD, card and the likes. And these types of cards go with certain types of . of course is also up there in choosing the best . Choose the size of that you need, if you’re a junkie, you might need more than 32MB. cards can go up to 1G.

The key point to find the best is to find one that will best fit you and your lifestyle. Don’t just buy the latest or the one that claims they are the best out in the market. You wouldn’t want to buy a and use it with your home activities or family outing and have to lug it around?! Or you don’t want to buy the latest when you’re serious about being a professional . (Of course, you can use this for starters, but if you’re not a novice anymore, you wouldn’t want to get this kind of camera.)

Actually, the best is the one that you will enjoy and use. Not the type that you’ll just leave rotting in its box or after a few weeks of usage or so, up there in the attic.

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19 Sep 08 How to Find the Best Digital Camera

Author: Shirley Margriet

It seems that every month, if not every week, different manufacturers are coming up with the latest to entice potential clients. And it’s just not working for us!

After spending sizeable amount of time at the mall figuring out which is the best for us, we finally have enough money to buy for that eye-popping, 7 mega , 10x digital , potable, candy colored, up to 512MB expandable of super hi-speed SD card and not to mention very portable, (that will be the envy of almost everyone we know). We march to the mall armed with our life savings and lotsa pride in ourselves, when we pass by a new display - an eight mega , up to 1G expandable , with built it mic and stereo surround, video playback capable, with 22 scenic modes kind-of-camera. And we sigh because the producer of this amazing claims that this is the best yet out in the market. And so as we always want to have the best, armed with our life savings and a few credit cards, we buy the “best .” But then again, that doesn’t last too long, after two months or so, there’s another “best .”

And so it confuses us. What makes a , the best ?

Well, there are certain factors to consider when looking for the “best ” for us.

. One of the most important features of to make it into the best category is its mega property. The higher the the better the actual will come out. A mega is equivalent to one million pixels. The of your image is based upon the mega property of your camera. This means that as you enlarge the , you would get more detail and less blurry colors.

LCD SIZE. The best will always have a large LCD to help you frame your subject without having to squint to the . This is also helpful when reviewing your , some cameras enable touch up and editing features with its LCD. A 1.5-inch display is average, a 2-inch is good, but the best LCD size would be 2.5 inches or higher.

. Most have both digital and optical . A higher optical is always better than a higher digital . are usually furnished with optical of between 3x to 10x. The better the optical , the higher it climbs up to the best category.

CARD. Always make sure that your card is the right one for your . There are different types of card like the xD, SD, card and the likes. And these types of cards go with certain types of . of course is also up there in choosing the best . Choose the size of that you need, if you’re a junkie, you might need more than 32MB. cards can go up to 1G.

The key point to find the best is to find one that will best fit you and your lifestyle. Don’t just buy the latest or the one that claims they are the best out in the market. You wouldn’t want to buy a and use it with your home activities or family outing and have to lug it around?! Or you don’t want to buy the latest when you’re serious about being a professional . (Of course, you can use this for starters, but if you’re not a novice anymore, you wouldn’t want to get this kind of camera.)

Actually, the best is the one that you will enjoy and use. Not the type that you’ll just leave rotting in its box or after a few weeks of usage or so, up there in the attic.

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19 Sep 08 Digital Cameras - How They Work

Author: Ted Burns

come in various sizes, shapes, and specifications and offer a variety of impressive features.

are quickly gaining popularity around the globe. Many people already own one and routinely use it for their own . Their use have become part of the culture among many communities and industries.

also have become part of a broad package of combined features with other hand-held tools, such as PDA devices and cellular phones. This makes the use of both devices much more convenient, having them combined in one, rather than two or more, functional instruments.

, moreover, not only can be used for still as with , but also for taking videos. An owner needs only to upgrade the camera’s card to increase capacity.

The marketplace offers a number of brands that provide a wide range of features. , , , , and HP are some of the better-known brands of cameras offering the conventional to digital. Other key include , , and .

Considerations

Differing from , have a small , and sometimes an plus . The is similar to TV screens that allow the to see the , even before snapping it. Some have large screens that enable the to see more of the subject and background.

also come with slots that hold a card or “stick.” The amount of available in them ranges from to gigabytes. Of course, the more , the greater the cost. However the extra capacity may be well worth the additional expense.

Another purchasing concern is the . Some use disposable . However, they wear out quickly, so most people recommend rechargeable for longer energy life. Typically a rechargeable and a charger come in bundle with the camera unit.

Finally, consider the way the are downloaded. Though many come with a USB port which easily connects to a computer, there are others that necessitate removing the card and positioning it with a reader to download .

Features

Camera buyers should know at least the basic features of their camera of choice before making an expensive purchase. Though the snapping of is fundamentally the same from camera-to-camera, there are features that make one brand more appealing than others.

For example, the number of used when taking - meaning millions of pixels that help with the clarity of the - should be one of the primary considerations to most buyers. Pixels are the individual “dots” that make up the content of .

As such, cameras offering a greater number of pixels can produce larger with better than those with less. Be aware, though, that cameras using a more pixels consume more camera when storing the .

The camera’s function is also critical. Most are enhanced with a two- capability; the optical and digital. Optical uses a moving lens and makes the subject in the appear closer, while digital crops or stretches the image.

Finally, don’t neglect the importance of the ’s durability. Some are made predominantly of plastic materials - and are consequently more fragile - while others are comprised of a combination of plastic and metal alloy.

Either type has limitations in the amount of jarring that can be sustained without internal damage. Spend a little extra money to purchase a case that will protect your camera investment.

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19 Sep 08 Mini Digital Camera: a Buyer’s Guide

Author:

A Mini can be a best travel companion if you love to travel and are constantly on the move. The mini is most preferred now for travelers and because of its small and unique size and easy to use features. To use this ultra , you don’t need to be a professional . But you can be a good with the enhanced offered by the small sized camera that improves the quality of ordinarily photographed items also.

The availability of the following features can be checked out before you buy a mini .

rating: Giving attention to this rating helps you to estimate the volume of information stored with each taken. of the depends on the rating. Mini have higher ratings for storing more information and for getting great quality enlargements. For most of the that fall under 4 x 6, a minimum of 3 will be good for your camera.

: usage is to be determined before you buy a mini . With a set of , most bad cameras produce around 50 shots. However ensure that your enhanced mini produces around 500 shots with a set of . Rechargeable AA can be used for a longer duration of time and is beneficial and economical in the long run.

Other Features:It is advisable to choose a mini that is fast. When the shutter is pressed, time is taken for processing an image and this time gap varies for different cameras. Some cameras have a time gap of 5 seconds and for taking a second snap, you have to wait for that time. Due to shutter lag also, time can be consumed. Shutter lag is the time taken for the feature to terminate and then trip the shutter to start. Therefore ensure that your mini is really fast. Also ensure that your mini is having an optical rate of 5X to 10X for getting better for having close-up shots.

The mini have an Inbuilt , which helps you to frame the shot before clicking. You can immediately view the after clicking. Most mini have autofocus feature and you have to ensure that this feature is fast. For a mini having a factor of 10X and above, ensure that it has to remove the shaking effect caused while taking . Mini beautifully capture your moments of joy with least effort.
As an example, we will now look at the features of a Key chain Mini , MiniDIG. Some key features are ; Auto Formats; JPEG; ; Auto Shutter; Auto ; 640×480, 320×240; Pop-up ; EV compensation; Auto System compatibility and Windows 98/SE/2000/XP.
The key chain mini is tiny and small enough to fit onto a keychain and however has an internal of 16MB SDRAM and 300K sensor. This inexpensive, cute looking is a great little device to take along for spot for insurance claims or during vacation holidays and serves as an exciting addition to your keychain. This can also be a wonderful gift for children looking to have their first camera.

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