Metabones Leica R Lens to Blackmagic Cinema Camera Speed Booster

BH #MEPLRBMCCBM1 • MFR #MB_SPLR-BMCC-BM1
Metabones
Metabones Leica R Lens to Blackmagic Cinema Camera Speed Booster
Key Features
  • Fits Leica R Lens to BMCC MFT Mount
  • Reduces Crop Factor to 1.53x
  • Increases Maximum Aperture by 1 1/3 Stop
  • Removable Arca-Type Tripod Mount
The Leica R Lens to Blackmagic Cinema Camera Speed Booster from Metabones allows you to mount a Leica R lens on a Blackmagic Cinema Camera, while using custom optics to increase the angle of view and the maximum aperture of the lens.
Special Order
Expected availability: 2-4 weeks
$459.00
$77/mo. suggested payments
with 6 Mos. Promo Financing* 
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Metabones MB_SPLR-BMCC-BM1 Overview

The Leica R Lens to Blackmagic Cinema Camera Speed Booster from Metabones allows you to mount a Leica R lens on a Blackmagic Cinema Camera, while using custom optics to increase the angle of view and the maximum aperture of the lens.

The Speed Booster works by shrinking the image circle of your Leica R lens down to better fit the smaller sensor of the Blackmagic Cinema Camera. This has the effect of making the angle of view of the lens 0.64x wider or, in other terms, reducing the crop factor of the camera from 2.39x to 1.53x. This yields an angle of view similar to APS-C or Super 35 sized sensors.

When the Speed Booster concentrates the image circle from a lens, the brightness of the image is increased by 1 1/3 stops, with a maximum output aperture of f/0.9 when using a Leica R f/1.4 lens. In addition to lens speed and angle of view, the Speed Booster also increases the lens' MTF, or how faithfully the lens transfers detail from the object to the camera sensor. These increases in MTF are seen in the corners as well as the center of the images. For added lens support, a removable Arca-type tripod foot is included.

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

Metabones MB_SPLR-BMCC-BM1 Specs

Adapter
Camera MountMicro Four Thirds
Lens MountLeica R
Magnification0.64x
Physical
Tripod Mounting Thread1/4"-20 Female
Dimensionsø: 2.6 x D: 1.4" / ø: 65.0 x D: 36.0 mm
Weight12.3 oz / 350 g
Packaging Info
Package Weight0.75 lb
Box Dimensions (LxWxH)5.5 x 5.1 x 4.8"
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question

Has anyone tried to fit one of these to the BMPC 4K?
Asked by: Clive
The Blackmagic Cinema Camera's unique size 2.5 sensor is much smaller than the Blackmagic Cinema Camera 4K's Super 35 sensor. Since this Speedbooster is matched to that 2.5 sensor, you will vignette using it on the BMCC 4K.
Answered by: Dennis A L.
Date published: 2018-08-25
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