On Aug 17, 2005, at 12:32 PM, P. J. Alling wrote:
(To my knowledge, only Leica has made an f1.0 so far, and it was for their rangefinder.)Canon once made a f0.9.
Actually, at least two: the 50mm f/0.85 for the Canon 7 rangefinder, and the 50mm f/0.9 for EOS mount (don't know if they ever made it for FD mount). I believe the latter was discontinued only a few years ago, although it was never produced in any large numbers.
Godfrey
