I just bought a Fujinon 210mm f5.6 from eBay.
Been testing it out today and found that the manual opening and closing of the aperture doesn't work. When I switch the lens to open, the aperture is fully open and I can't change it. Is that a quirk of this lens or a problem?
I have a Fuji 90mm and 150mm. I can manually open and close the aperture to check sharpness with those.
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