Aperture Ring / Stop-down Operation
(d) The red 60X is the highest shutter
speed for flash photography.
(e) The red concentric circle is
selected when using the PD Prism Finder.
If the shutter is released with the Shutter
Speed Dial set to the
setting, the
shutter will lock in the open position.
If the camera is left in this state, the
battery will deplete within several
hours.
Moving the Shutter Speed dial to
either the "B" or "1/1000" setting
will close the shutter.
While gently pressing in on the Lock
Release Button, the Shutter Speed Dial
may be set to any click-stop position, and
then locked into place by releasing the
Lock Button.
The Shutter Speed Dial cannot be set to
intermediate positions.
Set the desired f/stop on the Aperture Ring(34)
by aligning the f/number with the red Reference
Dot (A). The Aperture Ring has a click-stop at each
f/number. Intermediate setting may also be used.
With the AM Lever (29) in the Auto Position (the letter
"A" is visible), push all the way upward on the Depth-of-
Field Preview Lever to stop the lens down to the working
aperture and view the depth-of-field. Release the lever and
the lens will open to its widest aperture.
Depth-of-Field Preview Lever
AM Lever
Moving the AM Lever (29) to the "M" position will
stop the lens down to the working aperture.
To use the Depth-of-Field Preview Lever with the
70mm f/2.8
leaf-shutter lens, set the lens Shutter
Speed Ring to the "F"
(focal
plane) Index Mark.
26