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Eos RP with adapted wide-angle LM (Zeiss 28mm, Voigtlander 21mm) lenses

Started May 28, 2019 | Discussions thread
lattesweden
lattesweden Veteran Member • Posts: 5,569
Re: Eos RP with adapted wide-angle LM (Zeiss 28mm, Voigtlander 21mm) lenses

jensting wrote:

That's interesting! On the Eos RP I think I'm out of luck - the fully electronic shutter operation is only available in an otherwise fully automatic mode (which excludes the aperture priority needed for manual everything lenses).

A quick test against an interior surface at speed 1/80 does indeed avoid the top-to-bottom vignetting.

I was also wondering how on earth the viewfinder could show a normal looking image and the photo taken be so broken. Now I know - thanks for clearing that up.

Regards

Jens

With EFCS the first curtain is electronic and the second is mechanical. And for some reason you get a timing problem between them, like the curtains go with different speeds.

And it seems to be worse with higher shutter speeds and also if there is a lens without communication to the body.

On Sony first generation bodys this problem was bigger than it is now on newer generations. On my A7RII I shot a lot of vintage glass with EFCS without problems, so I guess that Canon will be able to solve this as well over time.

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Best regards
/Anders
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