Vignetting when stopping down 'taking' lens

benandaim

Well-known member
Hi Guys,

Can anyone tell me why my Nikkor 50mm f.18 could be vignetting 'hardcore" when I stop it down. See images below.

HVX Settings: - Wide open, 1/25 shutter. first pic above lens @ f1.8 then @ f4


50mm-f18.jpg
50mm-f4.jpg
 
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