KNOWPIA
WELCOME TO KNOWPIA
Shenyang Zhongyi Mitakon Speedmaster 50 mm f/0.95 
Summary
The Shenyang Zhongyi Mitakon Speedmaster 50 mm f/0.95 lens is a standard manual focus prime lens for Sony E-mount, announced by Shenyang Zhongyi Mitakon on May 6, 2014.[1]
 | |
| Maker | Shenyang Zhongyi Mitakon |
|---|---|
| Lens mount(s) | Sony E-mount |
| Technical data | |
| Type | Prime |
| Focus drive | manual focus |
| Focal length | 50mm |
| Image format | 35mm full-frame |
| Aperture (max/min) | f/0.95 - 16.0 |
| Close focus distance | 0.50 metres (1.6 ft) |
| Max. magnification | 1:7 (0.12x) |
| Diaphragm blades | 9 |
| Construction | 10 elements in 7 groups |
| Features | |
| Manual focus override |  Yes |
| Weather-sealing |  No |
| Lens-based stabilization | No |
| Aperture ring | Yes |
| Unique features | Maximum aperture less than f/1.0 |
| Application | Portrait, Low light |
| Physical | |
| Max. length | 87.0 millimetres (3.43 in) |
| Diameter | 68.5 millimetres (2.70 in) |
| Weight | 720 grams (1.59 lb) |
| Filter diameter | 67mm |
| History | |
| Introduction | 2015 |
| Retail info | |
| MSRP | $849 USD |
Though designed for Sony's full frame E-mount cameras, the lens can be used on Sony's APS-C E-mount camera bodies, with an equivalent full-frame field-of-view of 75mm.
Optical properties edit
The lens features an exceptionally fast maximum aperture of f/0.95, lending itself to creamy smooth bokeh and a narrow depth of view.