Mamiya-Sekor C 500mm f5.6 for Mamiya 645 everready Please note that this tube

Please note that this tube set will not mount to the more common M42 thread mount without an adapter

then you're in for a treat

the lens has some internal coating spots from a cleaning

but everything else should be familiar to Nettarheads

and there is no effect on structure or function

Mamiya-Sekor C 500mm f5.6 for Mamiya 645 everready Please note that this tubeThe Mamiya Sekor C 500mm f5. 6 is a very big telephoto lens for the Mamiya 645 medium format camera. In excellent condition, with light cosmetic wear most notably some light scuffing on the lens hood clean glass, and good mechanical function. With front and rear caps.