BLK Audiovisual LTD | For MFT Mount Cameras | Metabones EF to 4/3-mount w Booster

USED EQUIPMENT

Sell your used Equipment

EF to 4/3-mount w Booster

Optical

Canon EF mount lens to Blackmagic Design cameras with M43 mount, specific for BMPCC4K.
Increase maximum aperture by 1-stop. (with a maximum output aperture of f/0.9).
Increase MTF.
Makes lens 0.71x wider.
Patented 6-element/4-group optical design by Caldwell Photographic in the USA.

Electronic

Lens iris/aperture is set by the controls on the camera body.
Smooth iris support with the latest Canon (2009+), Tamron (SP series 2013+) and Sigma (2016+) lens models.
Image stabilization (IS) lens support.
Push autofocus if supported by camera.
Cinema EOS lens support (CN-E 18-80mm T4.4 L), including AF (requires external 5V power via micro USB port), auto iris and servo zoom.
Powered by camera body. With most lenses, no external power source required.

Mechanical

Patented positive-lock EF lens mount.
Detachable tripod foot compatible with Arca Swiss Style ball head, such as Markins and Photo Clam or attach to quick release plate by a 1/4"-20 screw.
The tripod foot is tailor-made to match the exact height as the BMPCC4K camera body.
Flocking to reduce internal reflection.
Rubber gasket protects M43 mount connection from dust and moisture.
Aluminum alloy and brass construction with chromium plating.
Satin surface finish.

Compatible Cameras

BlackMagic Pocket Cinema Camera 4K
BlackMagic Pocket Cinema Camera HD (original ver.)
BlackMagic Micro Cinema Camera
BlackMagic Micro Studio Camera 4K
BlackMagic Studio Camera 4K
BlackMagic Studio Camera

Compatible Lenses
Canon EF100-400mm f/4.5-5.6L IS II USM
Canon EF100-400mm f/4.5-5.6L IS USM (I)
Canon EF100mm f/2.8L IS USM Macro*
Canon EF135mm f/2L USM
Canon EF16-35mm f/2.8L II USM*
Canon EF17-35mm f/2.8L USM
Canon EF17-40mm f/4L USM
Canon EF200mm f/2.8L II USM
Canon EF24-105mm f/4L IS USM (I)
Canon EF24-70mm f/2.8L II USM*
Canon EF28-135mm f/3.5-5.6 IS USM
Canon EF28-70mm f/3.5-4.5 II
Canon EF28-80mm f/3.5-5.6 III USM
Canon EF300mm f/2.8L IS II USM*
Canon EF300mm f/4L IS USM
Canon EF400mm f/5.6L USM
Canon EF40mm f/2.8 STM*
Canon EF50mm f/1.2L USM
Canon EF50mm f/1.4 USM
Canon EF50mm f/1.8 II
Canon EF50mm f/1.8 STM*
Canon EF70-200mm f/2.8L IS II USM*
Canon EF70-200mm f/4L IS II USM*
Canon EF70-200mm f/4L USM
Canon EF70-300mm f/4-5.6L IS USM
Canon EF8-15mm f/4L USM Fisheye*
Canon EF85mm f/1.2L II USM
Sigma 135mm f/1.8 DG HSM Art 017*
Sigma 18-35mm f/1.8 DC HSM Art 013
Sigma 24-105mm f/4 DG HSM Art 013
SIgma 24-35mm f/2 DG HSM Art 015
Sigma 30mm f/1.4 DC HSM Art 013
Sigma 35mm f/1.4 DG HSM Art 012*
Sigma 50-100mm f/1.8 DC HSM Art 016*
Sigma 50-500mm f/4.5-6.3 DG OS HSM
Sigma 50mm f/1.4 DG HSM (not Art)
Tamron 10-24mm f/3.5-4.5 VC HLD B023
Tamron 18-250mm f/3.5-6.3 A18
Tamron 18-270mm f/3.5-6.3 B003
Tamron 24-70mm f/2.8 VC USD A007 (G1)
Tamron 28-300mm f/3.5-6.3 A06
Tamron 35-150mm f/2.8-4 VC OSD A043
Tamron 70-200mm F/2.8 Di VC USD A009
Tokina 11-16mm f/2.8 AT-X PRO (I)
Zeiss 18mm f/3.5 ZE
Canon EF-Extender (Teleconverter)
* = Smooth iris support

Incompatible Lenses
Tamron 70-300mm F/4-5.6 VC USD A005

Limitations
No Lens OIS/VC Support
Tamron SP 15-30/2.8 VC USD A012
Tamron 45mm F/1.8 VC USD F013
Tamron 150-600mm F/5-6.3 VC USD A011

No AF Support
Tamron SP 17-50mm F/2.8VC B005
Tamron 28-300mm F/3.5-6.3 VC A20
Tokina Opera 50mm F/1.4
Sigma18-125mm F/3.5-5.6DC OS HSM
Canon EF100-400mm F/4.5-5.6L IS II USM

No Iris Support without External Power Supply
Canon EF24-70mm F/2.8L USM (I)
Canon EF100mm F/2.8 USM Macro (non-L)
Tamron 18-270mm F/3.5-6.3 VC PZD B008

Unsupported List
Standard M43 camera. When this Speed Booster® is used with other MFT camera, it may cause damage to the camera.
EF-S lens. EF-S lenses require modification to fit or may remain incompatible even after modification.
Lens correction such as peripheral shading, CA and distortion
Focus confirmation "chip" (e.g. Dandelion)
M42 screw mount adapters (see note 5)
Stacking non-Metabones/non-Conurus mount adapters on top (see note 5 and list of lenses which require modification below.)

Source: https://www.metabones.com/products/details/MB_SPEF-m43-BTA