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Viltrox Speedbooster - Compatibility with my Lenses

Started Dec 16, 2018 | Discussions thread
Sittatunga Veteran Member • Posts: 5,406
Re: Viltrox Speedbooster - Compatibility with my Lenses

XavierE wrote:

I have the Viltrox Speedbooster EF-EOS M2 for my canon M50 M2. When attaching the Canon EF 70-200mm IS USM ii to this booster and body the camera reads F/00 and will not switch to autofocus. When using the Viltrox EF-EOS M adapter the lenses operates fine. What Am I able to do to have this speed booster work with this lens?

First thing I would do is clean the contacts of the lens, the camera and both ends of the speed booster with isopropyl alcohol. That worked for me when some of my lenses wouldn't work on my new camera even though my other cameras were happy with them.

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