Digital SLR Cameras
SLR, which stands for single-lens reflex, refers to a type of camera that employs a rotating mirror (either a pentaprism or a pentamirror) that reflects the image that comes through the lens onto a focusing screen. From the mirror’s reflection, the images then appears in the camera’s eyepiece. The image only reaches the film after the focal plane shutter opens (when the photographer takes the shot).
Produced in 1935, the GOMZ sport was first version of the SLR camera to be made. Different models flourished throughout the WWII era that included improvements in the viewfinder’s orientation and the camera’s internal mirrors. Since the 1970s, amateur and professional photographers alike have been using SLR cameras.
Over the years as photographic technology improved, retailers produced SLR cameras that were equipped with LCD screens, improved lenses and microcomputers. Today, camera manufacturers such as Canon and Nikon have made digital SLR cameras available.
While digital SLR cameras give the photographer the advantage of viewing the scene without parallax distortion (apparent movement of fixed objects when the photographer changes position), they do prevent the photographer from seeing his shot at the moment the picture is taken.
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