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Message: <blockquote data-quote="pshute" data-source="post: 1630868" data-attributes="member: 59235">The Konica bayonet fits 4/3?  I never knew that.  I assume it must be deliberate, not a fluke.  I read though that some spacers and slight modifications are required.  Funny that they'd copy another mount, but change the spacing.I tried a baffle in my 300mm lens, I couldn't see any difference, even when I made it small enough to just see vigneting.  Perhaps it isn't as effective for long lenses.  I notice in that article that he mentions "hopefully better contrast".I read somewhere that you're better off lengthening the hood instead, then you get the benefit of better shading as well.  I don't know if any of these claims are backed up with actual results.</blockquote>