On the side of the lens barrel is the preview button. Pressing down this lever which is unrelated to the automatic diaphragm mechanism of
the lens, temporarily stops down the lens to the preset aperture. This permits ascertaining through the viewfinder the actual depth of field
at that aperture value.
This checking can of course be done more easily by magnifying the viewfinder's image. This applies particularly to copying. By
interchanging the camera's viewfinder with the critical-focuser VF3, the image can be viewed more critically through its high-power
magnifier.
At the center of the lens barrel, facing up, is the depth-of-field scale which indicates the depth of field at a glance. The picture shows the
focus adjusted to 2 meters, indicating that the range in which sharp images can be obtained extend from 1.75 to 2.5 meters at f/8 aperture
and about I .5 to 3 meters at f/ 16.
LENS INTERCHANGING_
MIRANDA Sensorex has a bayonet type lens mount which permits quick lens interchanging and
accurate coupling of the automatic diaphragm mechanism of the lens.
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