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Joined on Dec 8, 2010

drchevalier's recent activity

  • Concur completely Simone S. Using Canon L glass with a Metabones Speedbooster Ultra on the a7R Mark II produces reliable autofocus regardless of the aperture selected. If Sony wants professionals...

  • Valen305 with great respect, your response is not valid on the a7R Mark II. It stops all lenses down immediately although it will open wide for autofocus on the first frame then stop down again. ...

  • With great respect, the G Master series of lenses do not offer the solution stated. They stop down ALL the time, making focusing at medium apertures in a dim studio where one is using strobes all...

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Last post Jan 21, 2015
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