Hi friends,

today I got in a strange situation In our used camera store I noticed a M42 lens, 1.4/50 Auto Yashinon-DX - used but not abused, excellent clean glass without a sinle mark, perfectly working diaphragm etc. I bought it, planning to use with my Spotmatic SP... imagine my face, when I put both together and saw that the back element of Yashinon on some distances protrudes too deeply into camera, obstructing the mirror path! I was really impressed... was there a special M42 body with smaller (??) mirror or working distance to use this lens? I think that this Yashinon is a rare and very good lens, but I can't find an application for it, if it doesn't fit my faithful Spotmatic. What should I do with it?

yours stupid PhD Zhenya from Moscow