Canon EF to BMPCC T Speed Booster adapters designed exclusively for the original Blackmagic Pocket Cinema Camera (BMPCC), Blackmagic Mirco Cinema Camera (BMMCC) and Blackmagic Micro Studio Camera 4K (BMMSC 4K) The new 0.58x Speed Booster reduces the crop factor of the BMPCC from 3.02x to 1.75x and produces the largest aperture optics currently available, with a maximum output aperture of f/0.74.
