Canon FT - Shutter Lock Mechanism; Using the Cable Release

Safety Device for Shutter
When the safety lock lever around the shutter release
button is turned to the " L " position , the shutter is
locked and will not move. This device may be used when
the camera is carried in a wound condition.
Attach 'ing the Cable Release
Optional Canon Release can be attached to the FT by
screwing
it into the threaded hole in the center of the
shutte r release button . Even if the safety lock lever is at
" L" position, the shutter will operate by using the cable
release.
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