ZhongYi Optics Mitakon SPEEDMASTER 50mm F0.95 for Sony E mount cameras

Like New in leather case. Glass is perfectly clear, no marks, no scratches, no separation, no fungus, no defects. 

ZhongYi Optics Mitakon SPEEDMASTER 50mm F0.95 is a full-frame, ultra-large aperture standard lens with an astonishingly bright aperture of 0.95. The latest optical design has been optimized for the image sensor of mirrorless cameras to enhance image quality and backlight resistance. The focus ring rotates 320 degrees for more precise focusing, and the design is balanced with the camera body for superior functionality and portability.

Specifications
Focal length: 50mm (35mm film format equivalent)
Focus: MF (manual focus)
Lens construction: 10 elements in 7 groups
(1 ultra-high refractive index lens, 5 high refractive index low dispersion lenses)
Compatible image sensor size: 35mm full size
Minimum focus distance: 0.5m
Maximum magnification: 0.1x
Aperture: F0.95-F16
Aperture Blade: 11 elements
Filter diameter: 67mm
Size: Φ73×88mm
Weight: approx. 770g