For the past twenty years there has existed a big technological flip in consumer electronics. The conventional analog info has now been transformed into digital bytes. The first consumer oriented digital cam was made by Kodak and Apple during 1995. Since then many makes has been introduced in the market such as the Canon PowerShot A60, Kodak Easy Share C533, Fuji FinePix E900, Nikon Cooped S6. The new cam on the block in the niche is the Canon PowerShot SD770. The biggest perk of compact digital cameras is that they are tiny and they can be easily carried around even in pant pockets.



The history of cameras can be traced for centuries. The idea of cams was invented by Mo Ti of China. cams from camera obscuras " Daguerreotypes - Polaroids " film cameras " disposables and last the digital cam. The camera obscuras was an optical device and it was primarely used for drawing It is a box with a hole through which light came to hit a specific part of the back wall. It created a exact copy and the artist would copy the picture.

The Daguerreotypes cam had coats of copper plates by mercury vapor, which created mirror like identical reproduction of the drawing. During 1948, Polaroid invented the instant film cam. It used integral film with exposures which develop at once the shot is done. During 1888 the Kodak introduced simple use camera with 100 film exposures. During 1959 Nikon Preleased the first widely 35mm SLR camera. During 1979 Canon introduced its first automatic focus 35mm camera. In 1980 Kodak and Fuji film invented disposable cameras which would be expired only once. In 1995 Kodak invented the newest digital camera to the public. The latest creation is the Canon SD770, which is small in mass with better pic quality and long lasting battery.

Digital cams like any other cams are made to take pics and videos of people, places or things. They come in varying sizes, pigments, brands, zooms, resolutions, playbacks, prices, features and quality. regular cameras required films, and this film was then developed and photographs were made. A digital cam does not require film. The function of a digital cam is the same as a conventional cam. But the difference is in way the pics are stored and the number of images saved. The pics are saved in small memory chips. These pics can be deleted and the memory chip can be used over and over again. The number of pics saved in a memory card depends on the memory of the card. When a pic is taken, light is reflected on the lenses, which falls on digital sensors, which are computer chips, called CCD. The sensors are measured in mega pixel and higher the number of mega pixel, the better the pic. The PowerShot SD770 has 10 mega pixels to provide the greatest quality picture.

In a digi camera you can actually click your photo and check it right there and now. You can also decide on the photographs you want to keep or discard without really printing them. They are small and can be easily carried. The pictures stored in the mem card of your digital camera can be downloaded into your computer. This can be accomplished by moving the pictures from the mem chip to your pc's hard drive or floppy. The digi cam comes with a cable which can be connected to your PC to move the pics. You can give your photos among your friends and relatives through e-mail. However, digital cameras are more pricy than film cameras. They use more battery especially in cold weather. There is a limit to the size of the photograph you wish to print. Poor lighting will cause distortions in the picture. When new models are introduced, you might find it difficult to get addons for older cams.

The latest in digital camera, the Canon PowerShot SD770, 10.0 mega pixels, 3x optical zoom lens, 2.5 inch LCD monitor. The Canon SD770 has high battery capacity. This camera can shoot about 300 images and the price ranges from $180 to $325.

digi cameras have certainly captured the market today. When you want to buy a digital cam you need to look at the features of the cam, the resolution or capacity to produce quality photos|pics|photograps|pictures. You also need to pay special attention to features like the built-in mem, the battery life, the LCD and the mega pixel and zoom capacity.