SLR,
which means single-lens reflex, refers to a type of camera, which uses a rotating mirror
(either a pentaprism or pentamirror) that reflects
the image coming through the
frosted glass lens. The mirror
reflection, the images will appear
in the eyepiece of the camera. The image reaches the film opens only after the focal
plane shutter (when the photographer takes the picture).Produced in 1935, sport was the first SLR GOMZ version to do. Different models flourished during the era of World War II, including improvements in the orientation of the viewer and the mirror inside the unit. Since the 1970s, amateur and professional photographers have been using SLR cameras.
During the years of photographic technology improved, the SLR product retailers were equipped with LCD screens, lenses and better equipment. Today, device manufacturers such as Canon and Nikon digital SLR available.
While digital SLR cameras give photographers the advantage of seeing the scene without distortion of parallax (the apparent movement of stationary objects when changing positions photographer), which prevent the photographer to see his shot when the camera is taken.
