This adapter allows a full frame Canon EF mount lens to be used with a Super 35mm E-mount camera. By focusing the image onto the smaller sensor size you effectively gain one stop of aperture.
Patented 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA.
Patented positive-lock EF lens mount
Store EXIF data (lens name, focal length and maximum/minimum aperture) for up to 2 manual lenses in the adapter.
If both your lens supports optical image stabilization (OIS) and your camera supports sensor-shift, in-body image stabilization (IBIS), the choice is yours on which one to use, or have both of them work in harmony.
Smooth iris support with the latest Canon (2009+), Tamron (SP series 2013+) and Sigma (2016+) lenses.
Custom function button (called Focus Hold button) assignable to more than 50 functions, such as Aperture Preview and Eye-AF, on A9, A7 series, A6600, A6500, A6400, A6300 and A6100.
Dedicated switch controls in-body image stabilization (IBIS) on Sony cameras equipped with SteadyShot INSIDE.
Compatible with Sony FS7 Mark II camera.
Cinema EOS lens (CN-E Compact-Servo) support, including power zoom, AF and auto iris.
Rubber gasket protects E-mount connection from dust and moisture.
Detachable tripod foot, compatible with Arca Swiss, Markins and Photo Clam ball heads.
Increase maximum aperture by 1 stop.
Makes lens 0.71x wider.
Felt material flocked inside to reduce internal reflection.
AF-C tracking during high-speed drive at up to 10fps on Sony A9, A7III and A7RIV.
Fast contrast-detection AF on all E-mount cameras with most lenses.
Pure phase-detection autofocus support on A9, A7RIV, A7RIII, A7III, A7RII, A7II, A6600, A6500, A6400, A6300 and A6100.
Supports 5-axis in-body image stabilization of A7RIV, A7III, A7RIII, A7II, A7RII and A7SII. (Distance information from lens required; 3-axis IBIS if the lens does not transmit distance information.)
Powered by camera body. No external power source required.
LED indicator shows operation mode, OIS (optical image stabilization) activity and communication status.
Efficient switched-mode power supply.
Supports image stabilization (IS) lenses.
Supports electronic manual focusing (e.g. EF 85/1.2L II and discontinued EF 50/1.0L)
EXIF support (focal length, aperture, lens name)
Distance and zoom display on VG and FS series camcorders, A9, A7 series, A6500 and A6300 (lens with distance information support required).
Auto magnify (lens with distance information support required)
Auto “APS-C Size Capture” on full-frame cameras with Canon EF-S lenses and many third-party DX lenses.
Lens Mount: Canon EF
Adapter Type: Speed Booster
Crop Factor: 1.07x
Mount: Sony E Dimensions (HxWxD) 91x88x26.5cm