Canon FD Lens Mount for the Letus35 adapters. The updated version now allows you to change the aperture on FD lens without modifying the lens' aperture arm. Simply attach your lens and shoot with full aperture control.
To insert an FD lens in the new FD mount, turn the lens about 15 degrees to the right of the normal insertion point. Turn counter clockwise than clockwise. This will latch the iris handle and you will be able adjust the aperture on the lens as normal.
These Lenses are known to work with the Letus Canon FD Mount
Not Compatible Lenses