Fred Miranda Offline Admin Upload & Sell: On
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I've tested this lens and it's impressive.
At infinity and mid-distance, it's very sharp at center "and" extreme corners even wide-open. When I first saw the center and corners at 1:1, my reaction was WOW!
Due to a slight wavy field curvature, mid-field takes a small hit but that's only visible wide open and at 1:1 magnification.
At f/5.6 it's capable of high resolution across the field.
Optically, there is not much to complain about the CV 50/3.5 Heliar for its low CA, high resolution, smooth rendering and superb contrast which translates to beautiful colors and subject isolation. Flare resistance is incredible and so far I have not seen ghosting in any of my images even when the sun is in the frame.
Functionality is its Achilles' heel though, as adjusting the click-less aperture also moves the focusing ring. Polarizer users will be frustrated as the filter thread rotates together with focus and aperture!
If one can get used to this drawback by focusing at shooting aperture, this lens produces special images with high IQ and character...and the price is right.
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