Metabones SPEF-E-BT3 – Canon EF to Sony E-mount T CINE Speed Booster ULTRA 0.71x

Metabones SPEF-E-BT3 – Canon EF to Sony E-mount T CINE Speed Booster ULTRA 0.71x

Focal reducer for mounting full-frame Canon EF lenses on APS-C and Super 35 Sony E-mount cameras, with autofocus and electronic aperture control. It makes the lens 0.71x wider and gains 1 stop of light.

Features

• Increases the maximum aperture of the lens by 1 stop
• Increases the MTF of the attached lens
• Makes the lens 0.71x wider
• Patented 5-element/4-group optical design with ultra-high index tantalum-based glass by Caldwell Photographic (USA)
• Patented positive-lock EF lens mount
• Phase-detection autofocus on A9, A7RIV, A7RIII, A7III, A7RII, A7II, A6600, A6500, A6400, A6300 and A6100; contrast-detection AF on all E-mount cameras with most lenses
• AF-C tracking during high-speed drive at up to 10 fps on Sony A9, A7III and A7RIV
• Supports 5-axis in-body stabilisation on A7RIV, A7III, A7RIII, A7II, A7RII and A7SII (3-axis if the lens does not report distance)
• With an OIS lens and a camera with in-body stabilisation (IBIS) you choose which one to use, or let both work together
• Image stabilisation (IS) lens support
• Smooth iris with recent Canon (2009+), Tamron SP (2013+) and Sigma (2016+) lenses
• Electronic manual focusing (e.g. EF 85/1.2L II and EF 50/1.0L)
• EXIF data (focal length, aperture, lens name)
• Stores EXIF data (lens name, focal length, maximum/minimum aperture) for up to 2 manual lenses in the adapter
• Custom button (Focus Hold) assignable to more than 50 functions, such as aperture preview and Eye-AF
• Dedicated switch for in-body stabilisation on Sony cameras with SteadyShot INSIDE
• Cinema EOS lens support (CN-E Compact-Servo) including power zoom, autofocus and auto iris
• Compatible with Sony FS7 Mark II
• LED indicator for operating mode, OIS activity and communication status
• Powered by the camera body, no external power source required
• Rubber gasket protects the E-mount connection from dust and moisture
• Felt-flocked interior to reduce internal reflections
• Detachable tripod foot compatible with Arca Swiss, Markins and Photo Clam ball heads

Note: Full-frame lenses are required: EF-S and DX/DC/Di II lenses are not supported. It covers an APS-C image circle: on full-frame bodies (A7 series, NEX-VG900) set "APS-C/Super 35mm" to Auto or On.

Specifications