Uses Of Lenses - Canon FTb Instructions Manual

Uses of lenses
Changing Lenses
1
Be sure to unlock the stopped ·down functioning lever
lock. If the lever is pressed or is locked, the red dot
appears inside the camera mount. The automatic/manual
aperture lever, at the back end of the lens, cannot be con·
nected to the coupling part on the camera body and the
preset aperture will not function .
• To remove the dust cap of the lens, turn the bayonet ring
fully to the left. In this case, mount the lens onto the camera
body as is .
2
Remove the. lens from the camera body by turning the
bayonet ring of the lens to the left until the red dot on
the lens coincides with the red dot on the camera mount.
3
To confirm the operation or for reverse·lens shooting,
first remove the lens from the camera body.
Then, press the lock pin which is located just above the
positioning pin of the bayonet ring with a pointed object and
turn the bayonet ring .
• When the preset aperture ring is set at the green mark
(circle), the lens cannot be attached to the FTb body.
4
Mount the lens by matching the red dot of the lens to
the red dot on the camera mount. Turn the bayonet ring
to the right and fasten.
• Attach the lens quickly in the shade. The film will some·
times become foggy if the lens is left unattached.
35