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| Manufacturer | Olympus | Canon | Sigma |
|---|---|---|---|
| Model | Zuiko Digital 11-22 mm f/2.8-3.5 | EF 16-35 mm f/2.8L II USM | 15-30 mm f/3.5-4.5 EX DG Aspherical |
| Lenst style | Wide angle zoom | Wide angle zoom | Wide angle zoom |
| Focal length | 11 - 22 mm | 16 - 35 mm | 15 - 30 mm |
| Maximum aperture | f/2.8 - 3.5 | f/2.8 | f/3.5 - 4.5 |
| Angle of view | 89 - 53 o | 107 - 63.4 o | 110 - 71.6 o |
| Closest focusing distance | 0.28 m | 0.28 m | 0.3 m |
| Maximum magnification | 1:7.7 | 1:4.5 | 1:6 |
| Minimum aperture | 22 | 22 | 32 |
| Diaphragm blades | 7 | 7 | 8 |
| Auto focus type | AF | AF USM | AF |
| Lens Construction | 12 elements / 10 group | 16 elements / 12 group | 17 elements / 13 group |
| Filter diameter | 72 mm | 82 mm | 0 mm |
| Macro Yes/No | No | No | No |
| Stabilization | No | No | No |
| Available mounts | Four Thirds | Canon EF | Canon EF Nikon F Sony A / Minolta Sigma Pentax K |
| Dimensions | 75 x 92.5 mm | 111.6 x 88.5 mm | 87 x 130 mm |
| Weight | 485 g | 640 g | 615 g |
| Additional information | |||
| Score [max 5.00] | |||
| Our Review |
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