Does it do this in bright sunlight at the lowest f/number?
How do you know the shutter is locked open?
Does it do this on multiple lenses?
How long does the phenomenon last, and how do you stop it?
Do you end up with an image? Is it totally overexposed and motion blurred?
Positive it is not mirror lockup?
Scott
Canon 5d mk 4, Canon 6D, EF 70-200mm L f/2.8 IS mk2; EF 16-35 f/2.8 L mk. III; Sigma 35mm f/1.4 "Art" EF 100mm f/2.8L Macro; EF 85mm f/1.8; EF 1.4x extender mk. 3; EF 24-105 f/4 L; EF-S 17-55mm f/2.8 IS; 3x Phottix Mitros+ speedlites
Why do so many people say "FER-tographer"? Do they take "fertographs"?
