Metabones EF-E Mount Locking Speed Booster

For those of you planning on getting the new Sony FS7 II, Metabones just announced new Speed Boosters for Sony FS7 II alongside new Smart Adapters. The new Speed Booster EF to E ULTRA II and Smart Adapter Mark V ensures compatibility with the new locking mount on the FS7 II, while the CINE EF to E Speed Booster and Smart Adapter feature a locking type EF mount on the lens side.