Metabones Speed Booster ULTRA SONY E Mount for CANON FD

Metabones Speed Booster ULTRA SONY E Mount for CANON FD

• Ultra Speed Booster design incorporates ultra-high index tantalum-based optical glass to improve optical performance with improved corner sharpness and reduces distortion and vignetting
• This glass technology and optical design perform very well with f/2.8 professional quality zoom lenses and high-speed fixed focal length lenses, such as a 50mm f/1.2 which will perform as a 35.5mm f/0.9 lens with a high contrast and resolution from the center to the edges of the image.
• Precise fit and solid connection - lens has no play, hollow or moving when mounted on speed booster and no adjustments are required to fit your lens. Both the camera side and the lens side of the speed booster dose are made of brass, which is precision machined and chrome plated.
• The Speed Booster uses matte black treatment to keep internal reflection to a minimum in order to maintain the maximum possible optical quality with the lens. The exterior features a black satin surface finish
• Designed to reach infinite focus while maintaining the correct inscription distance required to maintain the optical quality of CRC lenses or lenses with floating elements
• The speed booster features a detachable tripod foot that is compatible with the Swiss Ark, Markins, ball joints Photo clam
• Even if the lens fits physically, the automatic diaphragm (AE measurement), or other auto functions are not stored using this speed booster.