Leica R7 User Manual page 46

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By means of the mirror lock-up release R*, the
swing mirror of the LEICA R7 can be raised
before exposure, and the spring diaphragm can
be closed to the selected stop.
The mirror lock-up release R is screwed into the
special socket underneath the bayonet lock. The
described functions can be triggered simply by
pressing the release pin.
To release the shutter, press the shutter release
button either manually or by cable release. The
mirror and automatic diaphragm are reset
automatically when the shutter is released, but
cannot be reset manually. The mirror lock-up
release R must be activated each time you wish
to hinge up the mirror.
When the mirror lock-up release is used, the
electromagnetic shutter
inoperative. This applies also to the self-timer,
shutter release with motorized film transport, and
electric cable release.
release becomes
43
Attention:
The correct aperture/shutter speed balance must
be set manually, before the mirror has been
hinged!
To avoid inadvertently releasing the shutter, do
not press the depth of field lever at the same time
as the mirror lock-up release.
* Accessory, order-no. 14087