Petri Lenses
We list 2 lenses made by Petri, covering focal lengths from 28mm to 55mm with a fastest maximum aperture of f/1.8. 2 are primes and 0 are zooms or variable-focal designs, across 1 mount: M42 (2).
Notable lenses include Auto Petri 55mm f/1.8 (55mm, f/1.8), Auto Petri 1:2.8 f=28mm (28mm, f/2.8).