Archive for the ‘Art And Entertainment’ Category

Digital Cameras – How They Work

Monday, December 1st, 2008
digital cameras
Ted Burns asked:

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

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

Digital cameras 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.

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

The marketplace offers a number of digital camera brands that provide a wide range of features. Olympus, Canon, Nikon, Kodak, and HP are some of the better-known brands of cameras offering the conventional 35mm to digital. Other key camera manufacturers include Sony, Panasonic, and Casio.

Digital Camera Considerations

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

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

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

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

Digital Camera Features

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

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

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

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

Finally, don’t neglect the importance of the camera case’s durability. Some digital cameras 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.

6 Important Features to Consider While Selecting the Best Digital Camera!

Friday, July 11th, 2008
digital cameras
Neelima Reddy asked:


There are various types of digital cameras made by different manufacturers with different features. Among all, selecting the right digital camera which is suitable for you is not a typical task if you follow these techniques.

1. Resolution

2. Optical zoom

3. Digital zoom

4. memory

5. Usability

6. Investigate

These techniques are explained as follows:

Resolution

Each and every digital camera has certain resolution factor. Most advanced cameras will have high resolution where as the normal digital cameras will have low resolution.

Basically the picture resolution will be dependent on pixel rating. The resolution of the camera will vary for different cameras with different pixel count.

The cameras which have high resolution power produce larger images and the rate of these cameras will also be high. Normal and average photographer need not require these cameras with high resolution.

Most probably these high resolution cameras are preferred by professional or expert photographers. They also don’t use these cameras all the times (except for taking special pictures).

Optical zoom

Optical zoom is necessary to view the object in large size. Almost all digital cameras will have this optical zoom facility. Before buying the camera, you must check the optical zoom present in it and you must not afford it if it has the optical zoom less than 2.

Digital zoom

Digital zoom is used to increase the size of the picture. Most of the digital cameras offer this digital zoom facility. Check out the clarity levels of the picture clearly when you increase the size of it because some of the pictures will loose their clarity if you apply digital zoom to them.

Memory

Before getting the new digital camera know how much memory is present in it. Most of the digital cameras will have less memory to store more number of snaps in it. So, better along with your digital camera get the extra memory card which has enough space to store more snaps in it.

Usability

You have to select the camera depending on your usability. If you have high usage of it, go for advanced cameras which provide more techniques and high resolution or else if you have less usage of it better get the digital cameras which don’t have high resolution and more advanced techniques. So, depending upon the usage you have to select the right camera suitable for you.

Investigate

After getting your new digital camera, investigate it on various aspects by knowing what are the different modes and new techniques present in it. Try to learn all the techniques regarding how to handle it properly without causing any damage to it before using your new digital camera for the first time.

Do you like to know the reason behind this? Some cameras will be damaged easily if you don’t handle them in the right way. So, to avoid this situation try to know how to handle it in the right way.

Other than these things, you should also get all the necessary accessories required for your camera when you get the new digital camera. These accessories will be helpful to you in more number of ways and they also prevent the damage of your digital camera. Visit Digital Picture Zone