Well, so that the inside doesn't get ruined, but also so that the zoom can work properly.
In us, our eyes. In man made items they are used in such things as cameras, phones or other optical equipment
Some of the most common places that the US government can legally use video surveillance cameras are stores and public schools. Also they can use surveillance cameras in property that is theirs.
The most highly rated Nikon film cameras are the F6, F100 and the F4. All of these cameras have great ratings in reliability, features and practical use.
Most of the new digital cameras use SD card for image storage
Depends on the type of defect of the eye
Most digital cameras have settled on the SD/SDHC storage format, though some still use xD or MemoryCard.
Not all digital cameras are considered to be point and shoot cameras. However, most people do not consider themselves to be photographers, as most of us do not have the patience to use a camera of that caliber to try for the best picture we can. Most digital cameras auto focus and auto zoom for us, and so it does make things easier. To reiterate, not all digital cameras are point and shoot.
Red light cameras are usually high speed video cameras that use ambient light.
Digital cameras are great for taking pictures of people and things. Most people use digital cameras nowadays, but some people still use film which can be better quality.
yes, most dSLR cameras use CF(compact flash) cards for memory.
Normally no. I have however seen cameras with changeable film-backs. Also, some cameras can use both 220 film and 120 film. The 220 is longer, and has no paper backing. 120 film can be used in a broad range of cameras, 6x4.5 6x6 and 6x9 formats being the most common.
You can purchase Coolpix cameras at most of your local retail stores that sells cameras. You can also purchase them at most online stores that sells cameras.