Balaji Selvam Posted September 29, 2014 Share Posted September 29, 2014 What is Portholing Link to comment Share on other sites More sharing options...
Albion Hockney Posted September 29, 2014 Share Posted September 29, 2014 when a lens vingettes around the edges so it is darker in the corners.... giving a effect of looking through a porthole most leneses wide open "porthole" or vingette atleast a little bit even if it is barley noticeable. some older vintage lenses porthole quiet a bit especially wide open. Link to comment Share on other sites More sharing options...
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