Metabones Speed Booster - Vignetting with Tele-Lenses

Started Jan 18, 2013 | Discussions thread
OP khaw Contributing Member • Posts: 749
Re: to jpr2

You write:

"BTW it is interesting that in Khaw samples, there is no heavy vignetting in the extreme corners. My EF/NEX version shows vignetting at all lenses above 35mm and it is getting worse as the lens is stopped down."

Could you please post an example of this?

For my R to E Speed Booster stopping down always seem to improve image quality.

I wonder what's causing the different behavior in your EF to E version?

Thanks, K-H.

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