October 13, 2015 at 3:45PM

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BMPCC: Speedbooster combined with Adapter

Is it possible to use a lens adapter (say for vintage lenses, Olyumpus OM-Mount to Canon EF-Mount or Konica AR to EF-Mount) attached to the Metabones Speedbooster for BMPCC? I know it's counter-intuitive and pointless to stack two adapters together due to the distance from the sensor, but is it possible to speedboost an older lens using an adapter considering what it does for focal length?

3 Comments

I use m42 lenses with cheap EF adaptors on the Speedbooster. No problems.

January 26, 2016 at 1:52PM

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Ben, are you saying something like this? (m43 camera for example)

Camera A > EF lens speedbooster for m43 > m42-ef adapter > vintage EF lens?

nick

August 10, 2016 at 1:10PM

I'll use M42 lenses with my BMPCC/MFT to Nikon booster by adapter stacking, and there are focusing issues. Metabones warns against stacking M42 on their MFT to EF Speed Booster models due to potential electrical damage, but they me be overly cautious.

Marc B

October 25, 2016 at 1:13PM

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