Metabones Nikon F/G to Cinema Camera - Speed booster

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Elle vous permet d'adapter vos objectifs Nikon sur la Cinema Camera 2.5K de Blackmagic, avec la technologie Speed Booster réduisez le crop factor.
Nikon-G/F to Micro-4/3 mount Speed BoosterTM adapters designed exclusively for the Blackmagic 2.5k Cinema Camera (BMCC). Note that the new Speed Boosters will only attach to Blackmagic cameras equipped with a Micro-4/3 mount. They cannot be attached to standard Micro 4/3 cameras.
The new 0.64x Speed Booster reduces the full-frame crop factor of the BMCC from 2.39x to 1.53x, thus effectively transforming it into a Super-35 format cine camera. In addition, the speed of any attached lens is increased by 11/3 stops, with a maximum output aperture of f/0.80. For example, a 50mm f/1.2 becomes a 32mm f/0.80, and Sigma's new 18-35mm f/1.8 will become an 11.5-22.5mm f/1.1.
Features:Industry's best aperture ring covers a 8-stop range with half-stop markings, clearly indicating actual number of f-stops. No more guesswork! (Patent pending).Compatible to both Nikkor G lens & F lens (include non-AI & AI lens mounts).Increase maximum aperture by 11/3 stop. (with a maximum output aperture of f/0.80)Increase MTF.Makes lens 0.64x wider.Click-less manual G aperture ring.Optics designed by Caldwell Photographic in the USA (patent pending).The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo cam ball heads.

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