Teleconverters & Lens Mount Adapters Mobvoi

The Metabones Canon EF Lens to Sony E-Mount Camera ULTRA Speed Booster improves upon the original Metabones Speed Booster with a 5 element/4 group optical design that incorporates ultra-high refractive index tantalum-based glass for improved sharpness and reduced distortion and vignetting. The Speed Booster ULTRA allows a full frame Canon EF lens to be mounted to an APS-C format E-Mount camera and in doing so, increases the angle of view and the maximum aperture by approximately one f/stop.When a lens intended for full frame sensors or 35mm film is mounted to a camera with an APS-C sized sensor, it transmits a larger area of light than the smaller sensor was built to accept and therefore the …