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Contax Yashica Lens to Sony NEX / Fuji X Speed Booster
Features:
■Increase maximum aperture by 1 stop.
■Increase MTF.
■Makes lens 0.71x wider.
■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.
http://www.metabones.com/product/fuji-x/contax-yashica-lens-to-fuji-x-speed-booster-detail
http://www.metabones.com/product/sony-nex/contax-yashica-lens-to-sony-nex-speed-booster-detail
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