Enna 28mm is quality 6 elements coated optics packed into super lightweight polymer body (inside brass/aluminum). 

Serviced. Clean and healthy. Smooth focusing and proper mechanics. All lenses had internal strange type of Schneideritis corrected: black paint matted and aperture blades de-greased (auto function restored). 

I am selling a lot of 5 lenses. One has micro dot mark on front glass, other has two coating marks on front (really irrelevant). One lens has bump on plastic filter thread (filters can still be screwed on). 

All lenses perform 99% close to optimal. Tested Sony A7 full frame.

5th lens was added additionally. It has mint body. Slight marks on coating due fungus being cleaned and it does not fully achieve infinity (this would be easy fix, but previous owner must have had front hood glued, thus i cannot fine adjust it. Closing to F5.6 or more, infinity is ok.