Mounted between a mirrorless camera and a SLR lens, Speed Booster® increases maximum aperture by 1 stop (hence its name), increases MTF and makes lens wider by a factor of 0.71x.

• Increase maximum aperture by 1 stop.
• Increase MTF.
• Makes lens 0.71x wider.
• Build-in electronics to control lens aperture.
• The lens aperture is set by the controls on the camera body.
• Powered by camera body. no external power source required. (also accept 3rd party external power supply via MicroUSB socket when using with passive MFT mount camera e.g. BMCC 2.5K)
• High performance 32-bit processor and efficient switched-mode power supply.
• The tripod foot is detachable and compatible with Arca Swiss, Markins and Photo Clam ball heads.