Metabones T Speed Booster ULTRA 0.71x Adapter

“The T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera from Metabones allows a full-frame Canon EF-mount lens to be mounted onto a Micro Four Thirds-mount camera. While doing so, the adapter's optics help to maximize the connected lens's apparent angle of view while providing a 1-stop increase for the camera over the lens's aperture range. ∙Canon EF Lens to Micro 4/3 Body ∙Full-Frame Lens to Micro 4/3 Camera Body ∙Supports In-Camera Aperture Control ∙0.71x Micro 4/3 Crop Factor Compensation ∙1-Stop Increase in Lens Apertures ∙5 Optical Elements in 4 Groups ∙Locking Mechanism to Secure Lens ∙Push-Button Lens Release ∙Brass Mounting Rings ∙Detachable Tripod Foot” (https://www.bhphotovideo.com/c/product/1158844-REG/metabones_mb_spef_m43_bt4_canon_ef_micro_4_3_t.html) More Information: https://metabones.com/products/details/MB_SPEF-M43-BT4