Petri 55mm f/1.8... Converted to Nikon F Mount with Infinity


Petri 55/1.8 Petri Bayonet Mount to Nikon with Infinity
Petri 55/1.8 Petri Bayonet Mount to Nikon with Infinity




2017.09.01 - First published
2022.07.23 - Re-written from scratch



This Petri 55mm f/1.8 CC Auto (Tokina) uses the Petri bayonet mount, not the M42 screw mount they used later in the 1970s. The restoration took place first. It was in bad condition on arrival, with some oil on the transparent plastic parts, some bent metal parts inside, and a broken aperture mechanism. I decided to glue the aperture to f/2 so that it would be sharper than at f/1.8. After cleaning, it sat in my storage for weeks of disuse until the mount was converted.


Videos





Lens Exhibit

Petri 55/1.8 Petri Bayonet Mount to Nikon with Infinity















Initial Sample Shots (Uncorrected)




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