Nikon 1 aw1 Reference Manual page 45

Align the mounting marks
Place the lens over the O-ring
and press it into position
When placing the lens over the O-ring, be careful not to dam-
age the camera or lens; do not use excessive force.
Check the lens: Remove any dust or other
foreign matter from the lens O-ring seal
(0 62).
Mounting mark (camera)
Rotate the lens as shown until
it stops
Mounting mark (lens)
s
20