Metabones Leica R to BMCC Speed Booster 0.64x for Blackmagic 2.5k Cinema Camera

Product Code: MB-SPLR-BMCC-BM1
Availability: In Stock
USD459.00
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Tags: Metabones

Metabones Leica R to BMCC Speed Booster 0.64x

 

Detail Information

Leica-R to Micro-4/3 mount Speed BoosterTM adapters designed exclusively for the Blackmagic 2.5k Cinema Camera (BMCC). Note that the new Speed Boosters will only attach to Blackmagic cameras equipped with a Micro-4/3 mount. They cannot be attached to standard Micro 4/3 cameras.
The new 0.64x Speed Booster reduces the full-frame crop factor of the BMCC from 2.39x to 1.53x, thus effectively transforming it into a Super-35 format cine camera. In addition, the speed of any attached lens is increased by 11/3 stops, with a maximum output aperture of f/0.80. For example, a 50mm f/1.2 becomes a 32mm f/0.80 (i.e, by using 50mm lens, the actual focal length in BMCC is 32mm x 2.39 = 76.48mm), and Sigma’s new 18-35mm f/1.8 will become an 11.5-22.5mm f/1.1. (i.e, by using 18-35mm lens, the actual focal length in BMCC is from (11.5mm x 2.39 = 27.49mm) to (22.5mm x 2.39 = 53.78mm). More detail about crop factors, please refer to the table below:
Table of compatibility and resulting crop factors:

Limitations

Increase maximum aperture by 11/3 stop. (with a maximum output aperture of f/0.80)
Increase MTF.
Makes lens 0.64x wider.
Optics designed by Caldwell Photographic in the USA (patent granted).
The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo Clam ball heads.
Disclaimer: we are NOT licensed, approved or endorsed by Micro Four Thirds or Leica.
Remark:
Super telephotos such as the Telyt 560/5.6 may vignette at the corners.
The following lenses require modification in order to fit on the Speed Booster.
Super-Elmar-R 15mm
Elmarit R 28/2.8
Elmarit R 35/2.8
Summicron R 50/2

Please refer: https://metabones.com/products/details/MB_SPLR-BMCC-BM1

 

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