A Simple Guide to Digital Cameras
Posted on May 27, 2008
Filed Under Computers and Technology |
Basically a digital camera is a device use to capture pictures without the use of film. The increased weight is because these cameras often use heavy batteries even though they have fewer moving parts. The storage used is similar to other computer based products so they are compatible with may other types of media we use to view images. This computer language is called pixels, tiny colored dots represented by ones and zeros that make up the picture that you just captured.
Many similarities exist between the two types of camera because lenses are still required to capture light just the same as a film version. Using an electronic system, a lower specification digital camera does away with film although it is still capturing the light as with a traditional camera. Images seen on good and more expensive models are captured using an alternative method of a charged coupled device commonly known as a CCD which you may have heard of. Some people believe the device used to capture an image in cheaper cameras the CMOS will eventually be the replacement for the better CCD but this is highly doubtful.
You may have noticed the price of some models has dropped, making them much more affordable to many people; the CMOS image capture device is the reason for this. Whilst both the CMOS and CCD systems both capture an image using millions of solar cells to make up the whole picture, they perform this in slightly different ways Information to help you choose a suitable model of camera is mention in this review. From the point of view on having good quality photos, search for a high megapixel version as it will be worth it for the image you will capture with it; if you are lucky you may find a model that is discounted because a new version is about to be introduced.
Always choose a digital camera with an optical zoom as this will enable you take pictures without any distortion; portrait shots that require ‘framing’ are so much easier with a an zoom facility. Rechargeable batteries are the best you can use with the NMIH versions able to be charged at anytime, even if they are not fully discharged; this will save money on batteries that are disposable. most models come equipped with some sophisticated software that can create interesting shots; below are just a few examples:
* Video capture * Time lapse (i.e. one shot every 5 minutes for example) * Self-timer
With large megapixel models, image storage is another issue to look out for and a storage card will be necessary. Although larger storage cards have plummeted in price, a 1GB card should be enough for most peoples needs; some cameras won’t accept very high capacity cards anyway.
Cameras are now very tiny compared to a few years ago so you can actually carry around a high specification variant in your pocket and still be able to take fantastic pictures. Professional photographers may need heavy, bulky equipment but there is no requirement for a keen amateur to do so! Hopefully, these few tips will be enough to steer you in the right direction when you come to buy your camera. With all its technology, versatility and portability, the digital camera is the future of photography.
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