naturephoto1
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 Re: Voigtlander 28mm f/2 Ultron II Review | |
I was out shooting late this afternoon with my Kolari Vision UT sensor modified A7rII and my CV 28mm f2 Ultoon II Asph VM lens and I was shocked to find that focus is way way off. The lens is unable to focus to anything like the hard stop. It is the lens and not the lens adapters nor the camera (I could check and remove the B+W MC filter I doubt that is the issue as the same filters are on the other lenses). I tested the focus of the lens with both TTartisan Leica M to NEX 6 bit adapters and had the same results with the lens reading about 17 feet with a subject at least 50 to 100 feet away and approaching infinity for the lens. I then tried my CV 90mm f2 Apo Skopar lens on both adapters and in each case the lens was approaching infinity for focus, though I did not look at the scale. Finally, I used my Leica M WATE mounted on my Phigment adapter with the camera and it too read close to the same distance as the CV 90mm Apo Skopar.
Suggestions as how to correct the focus of the CV 28mm f2 Ultron II focus being off so much? At this point, I am unable to rely on the lens scale at all for DOF or Hyperfocal. I can live with the issue for now. Otherwise, the lens is a super performer. I will be posting an image from todays shoot tomorrow.
Rich
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