Metabones SPEF-M43-BTA – Canon EF to Blackmagic Pocket Cinema Camera 4K T CINE Speed Booster ULTRA 0.71x

Metabones SPEF-M43-BTA – Canon EF to Blackmagic Pocket Cinema Camera 4K T CINE Speed Booster ULTRA 0.71x

CINE version of the Speed Booster for the Blackmagic Pocket Cinema Camera 4K, with a cine-style positive-lock EF mount that removes play while focusing. It makes Canon EF lenses 0.71x wider, with a maximum output aperture of f/0.9.

Features

• Patented 6-element/4-group optical design by Caldwell Photographic (USA)
• Increases the maximum aperture of the lens by 1 stop, up to f/0.9 output
• Increases the MTF of the attached lens
• Makes the lens 0.71x wider
• Lens aperture set from the camera controls
• Smooth iris with recent Canon (2009+), Tamron SP (2013+) and Sigma (2016+) lenses
• Image stabilisation (IS) lens support
• Push autofocus if supported by the camera
• Cinema EOS lens support (CN-E 18-80mm T4.4 L) with autofocus (requires external 5V power via micro USB), auto iris and servo zoom
• Powered by the camera body: no external power needed with most lenses
• Patented cine-style positive-lock EF mount, which removes play while focusing
• Detachable Arca-type tripod foot (direct clamp or 1/4"-20 screw), tailor-made to match the height of the Pocket Cinema Camera 4K body
• Felt-flocked interior to reduce internal reflections
• Rubber gasket protects the MFT connection from dust and moisture
• Aluminium alloy and brass construction with chrome plating
• Satin surface finish

Note: Specific to the Blackmagic Pocket Cinema Camera 4K. Canon EF-S lenses need modification or may remain incompatible, and EF Extender 1.4x and 2x teleconverters do not fit. In-camera lens corrections are not supported.

Specifications