Canon Model 7S - Manual (Page 60)

To detach a bayonet-mount-type lens (50mm
F 0.95) from the camera, turn the bayonet
tightening ring counter-ciockwise (iiiustrated by
smail arrow)... then the iens can be pulled out.
To fit the lens into position, match the red mark
of the tightening ring to the pin on the lens
barrel. Insert the pin of the iens into the hoie
on the iens mounting fiange. . . and turn the
tightening ring clockwise (iiiustrated by large
arrow) while pushing in the lens.
• Traces of water bubbles cannot be entirely
removed from glass used for high quality lenses
because of the manufacturing process. Lens
bubbles will not affect the sharpness of the
picture.
Ostachr
® Turn
Bayonet Tightening Ring
O- O
Insert the pin fnto the hole on [11 Coincide the red dot and guide pin
the lens mounttnii flange
32