Yes, the M42 mount lens was for the FTL. I had one for a while, and
managed to get it checked out by a list-member's geiger counter. Only
the front of the lens was radioactive, and it was mild compared to the
Leica collapsible 50mm lens he also had.
It's a common theory that the lens formulations for the FTL were reused
for the OM's. They didn't just put on a new mount, though, the FTL
doesn't have detents on the aperture ring.
Thanks, Steve Goss, Dallas Tx usa
Mark Marr-Lyon wrote:
Gary Reese wrote:
The 1971 era 50mm f/1.4 Zuiko in an M42 mount was radioactive.
Perhaps other non OM Syem Zuikos were, too.
This is the FTL lens, right? Were these early lenses just modified into the
early OM lenses, or did the optical properties change?
Mark
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