Metabones Canon EF Lens to BMCC T Speed Booster 0.64x Yongnuo YN-680EX-RT two extra-low dispersion elements are

two extra-low dispersion elements are featured

When shooting of scenes in nature or travel destinations

3 Di VC USD G2 lens

guaranteed

Metabones Canon EF Lens to BMCC T Speed Booster 0.64x Yongnuo YN-680EX-RT two extra-low dispersion elements areMetabones Canon EF Lens to BMCC T Speed Booster 0. 64x Canon EF to BMCC mount T Speed BoosterTM adapters designed exclusively for the Blackmagic 2. 5k Cinema Camera (BMCC). Note that the new Speed Boosters will only attach to Blackmagic cameras equipped with a Micro 4 3 mount. They cannot be attached to standard Micro 4 3 cameras. The new 0. 64x Speed Booster reduces the full frame crop factor of the BMCC from 2. 39x to 1. 53x, thus effectively