Locking up the mirror

The reflex mirror can be locked in the "up" position out of the optical path for use with the Fisheye-Nikkor 6mm f/5.6 and the OP Fisheye-Nikkor 10mm f/5.6, whose rear elements protrude into the camera body and interfere with the movement of the mirror. Locking up is also necessary for shooting with the Nikon Motor Drive at its top speed of 4 frames per second.

Turn the mirror lock knob upward so that the black dot on the knob lines up with the red dot on the camera front plate. Wind and release the shutter, and the mirror will remain locked up. To unlock the mirror, turn the knob downward until its black dot lines up with the black dot on the body. This should be done after releasing the shutter, otherwise the mirror will not return to its original position until after an exposure has been made.






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Modern Classic SLRs Series :
Nikon F - Camera Instruction Manual



Credit: This manual is converted by Mr KH Lye. With permission from Shiro Malaysia.

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