Nikon PC-E Micro NIKKOR 45mm f/2.8D ED Manuel D'utilisation page 31

This lens can be revolved up to 90° right or left. By
revolving the lens, the shift function can be changed to
operate vertically, and the tilt function can be changed to
operate horizontally.
• Before rotating the lens, set the shift and tilt amount to
"0" by rotating the shift and tilt knob.
Note: When revolving the lens while using tilt and/or shift,
be careful to avoid nipping your fingers between the
lens and the camera body. Failure to lock each knob
can also have the same effect.
• Push the revolving lever and rotate the lens holding the
square parts of the lens.
• Click stops are provided in 30° steps both right and left.
At 30° and 60°, you can rotate the lens without pushing
the revolving lever.
8. Focusing
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.
Fig. 10
En
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