Luminous Landscape Forum
Equipment & Techniques => Cameras, Lenses and Shooting gear => Topic started by: Ed Stander on May 24, 2019, 09:03:20 am
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Hi -
I have a Mamiya 24mm fisheye with the oddest problem. It focuses fine at f/4, but goes out of focus as one closes down the aperture. Once closed down, no amount of focusing will bring the image into sharp focus. I have a second example of this lens that doesn't suffer from this at all - so it doesn't seem to be anything I'm doing.
Has anyone had a similar problem with any lens? Any suggestion what might be done to fix the problem?
Best of all - Ed