This camera has revolutionized the photography. All camera of this type will have a mirror which reflects lens image on to a viewing screen or prism eyepiece for focusing and composing. Many latest 35 mm cameras are of this type.
Advantages Whatever lens sees, is also seen through the view finder and the same image is recorded on the film when the photographer trips the shutter release. There is no scope for parlax error. Very much useful for copying and close up photography. Portable, light weight and easy to handle. Film magazine, carry upto 36 exposures. Lenses combine both speed and depth of field. The most important advantage in this camera is, it accommodates interchangeable lenses such as wide angle, telepho, zoom in addition to normal lens. For copying and close up lenses and extension rings can be attached. It is very much useful in the production of 2 x 2 slides and recopying work.
Disadvantages The small negative emphases minor imperfection such as scratches and grain when enlarged to standard sizes. It is difficult to retouch the negative when only a single picture is needed, inserting a magazine of film for this one shot wastes film. Such view finders on certain models make it difficult to frame and compose the scene.
Last modified: Thursday, 16 February 2012, 10:56 AM
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