Up until recently, it was very difficult to use these fantastic old FD lenses on digital cameras. With the EOS mount, Canon changed the Flange Focal Distance (FFD) of their mounts, so even with an adapter, the FD lenses wouldn't work properly. Thanks to Optitek in Thousand Oaks, CA - who have manufactured an FD mount for the Red Epic - we can now see this wonderful glass in action on digital cameras...
