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Viltrox EF-EOS M2 Speedbooster edges

Started Oct 8, 2019 | Discussions thread
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cantaxonpen Forum Member • Posts: 78
Viltrox EF-EOS M2 Speedbooster edges
2

I got a Viltrox speedbooster, and the edge of the frame is a disaster on both my M50 and M3. Anything not in the center square of a 3x3 box is a blurry mess. Trying to AF outside of that center box results in AF misses. I bought a new 85mm 1.4 to use with it and almost sent the lens back until I tried the lens without the booster on a 5D and it was so sharp. When people said that you'd experience some softness with the speedbooster, I think they undersold how detrimental the image quality hit is.

It maybe ok for 1080p video, but I can't imagine that anyone could use this for anything except dead center compositions.

Canon EOS M3 Canon EOS M50 (EOS Kiss M)
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