SMC Pentax-M 40mm f2.8  type_Resin Coated too (maybe back up a

too (maybe back up a bit

but one major improvement is the adjustability of the axes: you can now tilt and shift in the same axis

and there is no adapter that will make it work

with beautiful image rendering and tremendous depth of field control thanks to that f1

colour compensation filters

SMC Pentax-M 40mm f2.8 &nbsptype_Resin Coated too (maybe back up aThe SMC Pentax M 40mm f2. 8 is a very, very tiny pancake lens for Pentax K mount cameras. It's under 2cm long, and it still packs a real mechanical aperture control and a smooth moving focusing ring. Use it on any Pentax K mount camera, film or digital. In good cosmetic condition, with light paint and finish wear; clean glass, with minor dust.