..lnterchangeable Camera Back>
When using the dedicated Data Back euartz D-4 (a device which
records the year, month, day, hour and minute on the film),
remove the regular camera back, and replace it with the Data
Back Quartz D-4. To remove the camera back, oush the camera
back release lug down and remove the back.
M l r r o r L o c k _ '
This is a device to flip up and lock the mirror when you want to
reduce vibration effects to a minumum in photomicrography and
extreme close-up work. To lock the mirror, turn the mirror lock
lever in the direction of arrow until the mirror flips up and locks rn
that position. ffhe viewfinder will not be viewable)To unlock the
mirror, return the mirror lock lever to its original position.
.
Once the mirror is locked up, it will not be possible to make a
correct exposure in the AUTO mode or an exposure check. So
make such exposure or check before locking up the mirror, with
the AE Lock or the manual mode switched ON.
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