Nikon PC-Nikkor 28mm f/4 Kullanım Kılavuzu - Sayfa 9

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Depth of Field

Depth of field refers to the zone of acceptable focus

extending in front of and behind the plane of sharpest

focus. Within

thi~

zone, image blur is negligible and

everything can be considered as being in sharp focus.

To observe the depth of field with the PC-Nikkor lens,

it is necessary to manually set the diaphragm to the

required shooting aperture; for procedures, refer to

"Setting the Aperture" on page 6.

Depth of field can also be determined by reading the

color-coded depth-of-field indicators engraved on the

lens barrel opposite the distance scale. Each pair of

colored lines corresponds to an f/number of the same

color

engr-

a ved on the lens front rim. To find the

depth of field at a particular aperture, focus the lens

on the subject and then check the numbers on the

distance scale opposite the colored lines that match

the color of the preset shooting aperture

setting.

When in doubt about depth of field for a critical

shooting situation, refer to the tables on pages 20 and

21 of this instruction manual.