Re: canon sensor cleaning
I can't tell the difference between a speck at F2.8 or F16.
The specks are actually on the film plane, not being tranferred there by a lens aperture, so theoritically, aperture wouldn't affect it at all.
But I may be totally wrong here...so I think we should find out for sure...I think this is need to know info.
Next sensor cleaning, I'll test it at different apertures and post the photos. Let's see what comes up.
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