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カメラレンズ Nikon PC-Nikkor 28mm f/4のPDF 取扱説明書をオンラインで閲覧またはダウンロードできます。Nikon PC-Nikkor 28mm f/4 24 ページ。

FOCUSING

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The aperture and preset rings of the PC-Nikkor enabl€

focusing at full aperture for the brightest

viewfinder

image, with rapid setting of the diaphragm to th€

preset shooting aperture. Having set the preset

rin~

to the desired aperture setting, focus as follows

Turn the aperture ring fully counterclockwise (i.e.

to the f/4 setting) to open the qiaphragm fully fOI

focusing (photo 1); then turn the focusing ring unti

the image on the focusing screen is in sharp focu:

(photo 2). Before releasing the shutter, turn the

aperture ring clockwise until it contacts the

prese'

ring and can no longer be turned

the diaphragm

now at the preset shooting aperture (photo 3).

Note:

The Type E focusing screen is highly recommended fo

use with Nikon F /F2 cameras. The vertical and horizonta

lines etched on the screen help you to properly align th

camera and lens for proper perspective correction of thl

image.