Nikon PC Nikkor 35mm f/2.8 Buku Petunjuk - Halaman 6

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SETTING THE APERTURE

The PC-Nikkor is provided with a manual diaphragm

operable from f/2.8 to f/32 and a spring-loaded preset

ring to aid in setting the diaphragm quickly to the

shooting aperture; a total of eight click-stop positions,

at full -stop intervals, makes for precise placement of

the preset ring. Also, identical sets of f/numbers are

engraved on opposite sides of the front rim of the lens

to facilitate operation when the lens is used

inverted.

To set the aperture, the following procedure is recom-

mended

Press the preset ring toward the camera body

and turn it until the f/number setting corresponding

to the desired shooting aperture is aligned with the

ring's index dot

;

then release the ring and it will spring

outward and lock in

place.

Note that the preset ring,

once set, limits the travel of the aperture ring so th at

the diaphragm can be set easily and quickly from the

full aperture viewing position to the shooting aperture

without the need for checking the scale during stop-

down operation.