Excellent optical and cosmetic condition.

No haze, fungus, scratches on lens.
No oil on aperture blades.

Note : expect slight resistance on focus ring that occurs on every zeiss flektogon 35mm. I've owned 3 and all are the same. They don't have the smoothest focus ring.

Buy worry free.
Return accepted

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On 30-Mar-17 at 08:53:00 BST, seller added the following information:

It is m42 mount.