Metabones Contax Yashica CY to L-mount CINE Speed Booster ULTRA 0.71x

The Metabones Contax Yashica CY to L-mount CINE Speed Booster ULTRA 0.71x provides cine-style mounting of Contax Yashica lenses to Blackmagic L-mount cameras, enhancing image performance and field of view with a 0.71x magnification.

The Metabones Contax Yashica CY to L-mount CINE Speed Booster ULTRA 0.71x is designed to bring the distinctive look of vintage Contax Yashica lenses to Blackmagic Design L-mount cameras in Windowed Sensor Mode or APS-C crop mode, such as the Blackmagic Cinema Camera 6K Pro (BMCC6K Pro) and Blackmagic PYXIS 6K. This adapter offers cine-style stability with a positive-lock CY mount, preventing play during lens attachment and use.

With an advanced 5-element/4-group optical design that integrates ultra-high index tantalum-based optical glass, this Speed Booster increases the maximum aperture by one stop and widens the lens by 0.71x, enhancing MTF (Modulation Transfer Function) for sharp, high-contrast images. Built to endure rigorous use, the adapter features aluminum alloy and brass construction with a satin finish, complete with a rubber gasket for dust and moisture resistance. It includes a detachable Arca-Type tripod foot compatible with Arca Swiss, Markins, and Photo Clam ball heads.

Key Features:

• Lens Compatibility: Pairs Contax Yashica CY lenses with Blackmagic Design L-mount cameras in APS-C crop mode.
• Enhanced Image Quality: Increases maximum aperture by 1 stop and widens lens field by 0.71x, improving MTF.
• Cine-Style Mounting: Positive-lock CY lens mount ensures secure and stable attachment.
• Robust Design: Crafted from aluminum alloy and brass with a satin finish and rubber gasket for dust resistance.
• Versatile Mounting: Detachable Arca-Type tripod foot compatible with standard quick-release systems.