Canon EF 180mm f3.5L Macro USM - Manual (Page 11)

ENG-10
10. Using the Tripod Mount
Adjusting the Revolving Mount
You can loosen the orientation lock-knob on the tripod mount to allow it to rotate as needed to fit a
particular camera model for switching between vertical and horizontal positions.
Detaching
First remove the lens from the camera and then remove the tripod mount from the lens as shown
below. To attach the tripod mount, reverse the procedure.
Loosen the orientation
locking knob. Rotate the tripod mount and
align the mounting indicator
on the tripod mount with the
one on the lens. Slide off the tripod collar
away from the rear of the
lens.
If the foot of the tripod mount overlaps the switch, loosen the orientation locking knob on the tripod mount to
move the foot.
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