Contax G Biogon 21mm f/2.8
Manufacturer's Description:
""
| General Specs | ||
| Weight | 180g | Contribute |
| Height | 35mm | Contribute |
| Width | 59mm | Contribute |
| Depth | No Data | Contribute |
Discontinued  |
Yes | Contribute |
| General | ||
| Focal Length |
21mm | Contribute |
| Angle of View |
92° | Contribute |
| Max Aperture | f/2.8 | Contribute |
| Min Aperture | f/22 | Contribute |
| Focusing Type |
|
Contribute |
| Min Focus | 500mm | Contribute |
| Filter Size |
55mm | Contribute |
| Stabilized | No | Contribute |
| Blades | 7 | Contribute |
| Elements | 9 | Contribute |
| Groups | 7 | Contribute |
| Lens Mounts |
|
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| Macro | No | Contribute |
| Focal Type | Wide | Contribute |
| MTF Data | ||
| Effective focal length | 21mm | Contribute |
| Weighted MTF | 21 mm: f2.8 0.79 | f4 0.84 | f8 0.84 | Contribute |
| Average Weighted MTF | 0.84 | Contribute |
| Weighted MTF 10 lp/mm | 0.91 | Contribute |
| Weighted MTF 20 lp/mm | 0.81 | Contribute |
| Weighted MTF 40 lp/mm | 0.61 | Contribute |
| Distortion | No Data | Contribute |
| Grade | 4.3 | Contribute |
| Photodo MTF Score | 4.3 | Contribute |
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428 MTF tests
74 in-depth photodo reviews
100+ users join each day
Help the lens community by reviewing or rating a lens today via our lens search
