PIX 2015


Started Feb 8, 2014 | Questions thread
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Senior MemberPosts: 2,134
Re: APSC vs FF
In reply to SQLGuy, Feb 9, 2014

Vicotr Lebowski (phototo) has numerous posts on his blog both ciritcally examining the A/s and also speedbooster. Some of his findings on the speedbooster:

performance is lens-dependent, center always good, edges start to vignette hard at f5.6, extreme edges stay blurred, focal length goes up e.g. 28mm lens becomes 30 mm lens.

I have been given direct comparison pictures of A7 with EF 28mm to Nex 7 with SB and same lens. I could directly see the reduced contrast in the SB pictures. Of course, if your appliance is low light photography for the SB, contrast is already reduced anyway, focal length changes are not that important either. But as a general solution to reuse legacy lenses, it is not an optimal solution.

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