Nikon 45mm-f-28D-ED-PC-E-Nikkor - Manual (Page 28)

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8. Focusing
Fig. 10
a Set the aperture to its maximum by pressing the aperture stop-
down button, and focus by rotating the focus ring.
b Before shooting, press the aperture stop-down button again to
stop-down the aperture.
• When using the Nikon D3 or D300 camera, you can take a picture
without operating the aperture stop-down button (the aperture can
be stopped down to a selected aperture automatically by pressing
the shutter release button without pressing the aperture stop-down
button). Alternatively, the aperture stop-down button can be used.
• While using tilting and/or shifting, the camera’s electronic range
finder cannot be used to confirm correct focusing. Focus should
be confirmed by checking the image in the camera's viewfinder.
• When you change the degree of tilt and/or shift after focusing
the subject will become out of focus.
Infrared compensation
For photography using infrared film, attach a red (R60) filter to
the lens and compensate the focus manually.
First, focus on the subject manually. Rotate the focus ring to
realign the desired distance scale number (“0.5 m” in Fig. 11)
to (middle between “11” on the depth of field scale and
the distance index) to compensate the focus. Attach an R60
filter for infrared photography.