Showerthought: I shot a whole roll at f/16 in Helena thinking deep focus would save me, and every frame came back soft because my lens has focus shift stopped down

Michael Rodriguez · 2026-09-15T22:15:04.970324+00:00

Spent two weeks blaming the lab in Missoula for 'bad scans' before a guy at the camera shop put my 35mm Summicron on a test chart and showed me the plane of focus drifting back about a foot at f/16, so now I shoot that lens at f/5.6 and zone focus, has anyone else run into a lens that gets worse the more you stop it down?

🐿️Pinecone Attack

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Showerthought: I shot a whole roll at f/16 in Helena thinking deep focus would save me, and every frame came back soft because my lens has focus shift stopped down | Analog Photo Stories - Pinecone Attack