Disassembled a 1977 $35 (perfect condition) non-Ai 28mm f/3.5 lens to mount it on a soft bellows for tilt shift focusing. There is no chromatic aberration and it's a reasonably sharp lens. This was a fine lens in it's day but needs modification to even mount on modern cameras so they are cheap now. This uses JIS screws (Japanese Industrial Standard), not regular phillips and I stripped one out then had to forced the mount off. That little 'washer' ripped out of the f-mount hole above it.
NIKON D200 28.0mm f/3.5 1/30s ISO:400
lens:28mm f/3.5 H-C Auto non-Ai bellows modified