Christian Wetzel Posted May 15, 2014 Share Posted May 15, 2014 hello all, I'm planning on purchasing a k3 tomorrow and was curious about mounting Leica M lenses on it via a Leica M - M42 adaptor, since I already own an M mount lens for another camera. I know M lenses generally don't work on systems with a mirror because they're built for rangefinders, but I've found an adaptor online that claims focus-to-infinity as a feature (without a lens element in the adapter). http://www.ebay.com/itm/Leica-M-mount-Lens-To-M42-Camera-Adapter-Ring-/320834255081?_trksid=p2054897.l4275 I'm skeptical but frankly don't know enough about lens adapting to go through with the purchase without further research. Has anyone tried to mount an M lens of a K-3? Thanks for the help! Link to comment Share on other sites More sharing options...
Nicholas Kovats Posted May 16, 2014 Share Posted May 16, 2014 (edited) You cannot do this. The Leica M FFD is almost twice less than the M42 FFD. FFD = Flange Focal Depth. The inverse will work. That is an M42 lens attached to a Leica M mount camera. This adapter exists (M42 -> M ) for the Leicina Super 8 camera. From http://en.wikipedia.org/wiki/Flange_focal_distance. FFD also known as flange-to-film distance. M42 FFD = 45.46 mm Leica M-mount = 27.80 mm Good luck. Edited May 16, 2014 by Nicholas Kovats Link to comment Share on other sites More sharing options...
Christian Wetzel Posted May 19, 2014 Author Share Posted May 19, 2014 Thank you for your reply, I appreciate the help. Link to comment Share on other sites More sharing options...
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