Therefore, you must remember that you have
made a double exposure.
Camera vibration can be reduced by locking the
a. Turn the lever lock/mirror lock lever (fig. 2-3)
clockwise to L and press the stopped-down/self-timer
lever as far clockwise as you can.
Keep the lens covered when the mirror is locked.
Otherwise, the film may be fogged.
b. Then turn the lever lock/mirror lock lever clock-
wise to M. (This raises the mirror out of the light path
to the film.)
When the mirror is in the UP position, viewing
through the viewfinder is not possible. Distances
must be estimated; the 1/2000 second shutter
speed cannot be used.
c. To return the mirror to its normal operation,
turn the lever lock/mirror lock lever counterclockwise
as far as it will go.
2-21. Stopped-Down Metering
a. Setting Camera.
(1) Turn the lever lock/mirror lock lever (fig. 2-
to L and turn the stopped-down timer
lever clockwise as far as it will go.