HansenTsang Offline Upload & Sell: Off
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>>What you observe is not specific to shift lenses. These adapters simply don't/can't work for their intended purpose. The iris (diaphragm) being located in the adapter - and thus well behind lenses' entrance pupils - can't create the same effect as stopping down the lens because the iris is in the wrong location. These adapters simply cause mechanical vignetting.<<
You are correct. I bought one just to try. It was a waste of time and money.
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