Nikon 2SB Photomic Buku Petunjuk - Halaman 30

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EXPOSURE COMPENSATION ADJUSTMENTS

Adjustments for Focusing Screens

Light

transmission properties vary somewhat with focus-

ing

screen type,

thus

occasionally requiring exposure

correction to compensate for the combined effects of

the

lens/screen

combination in

use.

The

numbers listed

various blocks of the table on the opposite page de-

note

the amount of correction necessary in f/stops. To

adjust the camera's finder for the indicated f/stop cor-

rection,

lift

and turn the ASA film-speed index ring

until the ASA value for the film in use is aligned with

the appropriate mark engraved on the ring.

the ex-

ample figure shown, ASA 100 is aligned with the

-Y:!

mark to provide the correction required when using the

Type C screen with the

Nikon

F2SB

Photomic

camera

and the Fisheye-Nikkor 8mm f/2.8

lens,

as indicated

the table. (When "0"

indicated in the table, no com-

pensation is

required.)

Exposure

measurement

via fu

II-aperture method

•

Exposure measurement

via stop-down

method .

•

Exposure measurement not possible; lens/screen

combination permits

only focusing operation.

Blank space indicates lens/screen

combination cannot

used.