Sigma AF 21-35mm f/3.5-4.2
| Availability | ||
Discontinued  |
No | Contribute |
| Year announced | No Data | Contribute |
| General | ||
| Lens Mounts |
|
Contribute |
| Focal Type | Wide-angle zoom | Contribute |
| Lens | ||
| Focal Length |
21mm - 35mm | Contribute |
| Angle of View |
64° - 92° | Contribute |
| Max Aperture |
f/3.5 - f/4.2 | Contribute |
| Min Aperture |
f/27 | Contribute |
| Filter Size |
77mm | Contribute |
| 35mm equivalent | No Data | Contribute |
| Internal focusing |
No Data | Contribute |
| Focusing | ||
| Min Focus | 50cm | Contribute |
| Stabilised | No | Contribute |
| Macro |
No | Contribute |
| Construction | ||
| Blades | No Data | Contribute |
| Elements | No Data | Contribute |
| Groups | No Data | Contribute |
| Box Contents | ||
| Box Contents |
No Data | Contribute |
| Dimensions | ||
| Weight | 0g | Contribute |
| Width | No Data | Contribute |
| Height | No Data | Contribute |
| MTF Data | ||
| Effective focal length | 22-34mm | Contribute |
| Weighted MTF | 21 mm: f3.5 0.76 | f8 0.78 35 mm: f4.2 0.76 | f8 0.76 | Contribute |
| Average Weighted MTF | 0.77 | Contribute |
| Weighted MTF 10 lp/mm | 0.86 | Contribute |
| Weighted MTF 20 lp/mm | 0.72 | Contribute |
| Weighted MTF 40 lp/mm | 0.49 | Contribute |
| Distortion | No Data | Contribute |
| Grade | 3.5 | Contribute |
| Photodo MTF Score | 3.5 | 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