The two types of 35mm cameras are the rangefinder camera and the single
lens reflex (SLR) camera. This classification indicates the way the image
projects on the film plane for focusing. The film size for these cameras is
35mm film, hence the name.
RANGEFINDER CAMERAS: Focus an image on the film or focal plane of
a rangefinder camera by aligning one image over another until they coincide.
The image enters the lens and diverts to the focal plane from a mirrored
surface. The distance between the viewing lens and the lens through which
the exposure is made is called parallax. Parallax is automatically corrected in
a rangefinder camera.
Figure 4-16 shows how an image passes through a rangefinder.
Figure 4-16. View through a
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