16
D. The standard magnifier supplied with the waist-level finder has a
power of -1.5 diopters, which can be exchanged for others with pow-
ers of -4.5, -3.5, -2.5, -0.5, +0.5, and +1.5 diopters. These optional
accessories should be purchased to suit the user's eyesight, if neces-
sary. Simply rotate the magnifier frame in the counter-clockwise
direction to unscrew. Attach in the reverse manner.
A. The aperture ring is rotated, in either direction, to set the required
f/number opposite the white index dot. The aperture ring click-stops
at the numbered settings. Intermediate settings are also possible.
* Intermediate settings cannot be used when the finders with built-in
exposure meters are used.
B. All interchangeable lenses for the Zenza Bronica SQ-A have fully
automatic lens diaphragms, which means that the focusing screen is
always viewed at the full aperture, with the brightest possible image.
However, depressing the depth of field preview lever will stop the
lens diaphragm down to the pre-selected lens opening and permit
the photographer to check the depth of field effect on the focusing
screen.
* The aperture ring must not be adjusted while the depth of field pre-
view lever is being depressed.
* If exposure measurements are taken with the depth of field preview
lever depressed, when using finders with built-in exposure meters,
the shutter speed setting indicated will cause over-exposure. This is
because proper exposures are obtained with exposure measure-
ments made at full aperture.
16. Waist-Level Finder and Interchanging Magnifiers (con’t)
17. Setting the Aperture
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