because
It is more than just because. The one taking the photo need make sure they have just the shot the want. It bring it in to focus. Pulling it closer, a wider angle. Hope that helps you a little.
A camera uses a lens, just like the human eye, to focus light from an object onto the sensor or film.
to make sure the image is sharp and clear
Generally, no. Each manufacturer has proprietary mounts for their lenses and, for example, Nikon lenses will not fit a Canon and so on. There are aftermarket lenses made to fit various cameras, but you need to specify the make and even sometimes the model of the camera in order to get a mount that fits.
it magnifys it like alott
Any lens with EF mount to digital cameras and to cameras with APS-C sensor (smaller than full size) EF and EF-S mount lenses. To EOS film cameras FD mount lenses. To all EOS cameras, almost any lens with adapter: EF, EF-S, FD to other mount. For example EF to M42 adapter and you can use M42 lenses.
All EF series lenses will work with the film Rebel or any other EOS film body. EF-S lenses are not compatible with film cameras or full-frame digitals.
Unfortuntely, No you can not use the AE1 Program lenses with Canon EOS cameras. They use different types of lenses, thus the diameter, connections and mount are different.
There are many different lenses for cameras; Wide angle lenses, standard lenses, portrait lenses, telephoto lenses and more. Canon has its own brand of lenses but also Sigma y Tamron are offering compatible lenses for it, it just depends on the price and the quality you are looking for
mirrorless cameras
Panasonic cameras are tricky in that they only accept replacement lens made by Panasonic themselves.
no, the nex lenses more smaller than alpha cameras.
It just works!
yes
Some Olympus camera lenses fit other cameras and some only fit Olympus cameras. They have a number of lenses that fit the micro four-thirds mounting.
Generally, no. Each manufacturer has proprietary mounts for their lenses and, for example, Nikon lenses will not fit a Canon and so on. There are aftermarket lenses made to fit various cameras, but you need to specify the make and even sometimes the model of the camera in order to get a mount that fits.
The type of lenses that are used on CCTV cameras are lenses that are adjustable. They must be able to change a subject's size on the screen. They must have focal view and depth of view.
Lumix G Micro System cameras have interchangeable lenses. Panasonic offers a wide selection of lenses for the cameras, including such offbeat choices as the 8mm "fisheye" lens. The smaller Lumix cameras do not have interchangeable lenses.
No, Kodak camera lenses are only useful on Kodak cameras. However, several Kodak lenses are interchangeable with OTHER Kodak camera lenses. To see which ones, visit http://www.kodak.com.
nope