Setting the aperture, Film-advance lever, Operation of camera controls-continued – Nikon EL2 User Manual
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OPERATION OF CAMERA CONTROLS-continued
Setting the Aperture
The ring fitted at the base of the lens adjusts the size of
the aperture (or opening) in the iris diaphragm. To pre
set the lens aperture, turn the aperture ring until the de
sired f/number setting on the scale is aligned with the
index mark provided on the lens. The iris diaphragm can
also be set to intermediate apertures between the click
stop settings for more precise exposures.
Film-Advance Lever
The film-advance lever simultaneously advances the
film, cocks the shutter and operates the frame counter.
It also switches on the exposure meter in the finder
and unlocks the shutter-release button. To advance the
film, stroke the lever with the right thumb in a single
stroke totaling only 135°. A built-in locking device
prevents the shutter from being released unless it is
fully cocked and the film advanced a full frame. At the
completion of film advance, release the lever and it
will return to the 30° standoff position ready for shut
ter release.
Note: Do not apply pressure to the film-advance lever while
making an exposure.