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| Manufacturer | Olympus | Canon | Sigma | Tokina |
|---|---|---|---|---|
| Model | Zuiko Digital 11-22 mm f/2.8-3.5 | EF 20-35 mm f/2.8L | 20-40 mm f/2.8 EX DG Aspherical | AF 193 19-35 mm f/3.5-4.5 |
| Lenst style | Wide angle zoom | Wide angle zoom | Wide angle zoom | Wide angle zoom |
| Focal length | 11 - 22 mm | 20 - 35 mm | 20 - 40 mm | 19 - 35 mm |
| Maximum aperture | f/2.8 - 3.5 | f/2.8 | f/2.8 | f/3.5 - 4.5 |
| Angle of view | 89 - 53 o | 94.5 - 63.4 o | 94.5 - 56.8 o | 98.4 - 63.3 o |
| Closest focusing distance | 0.28 m | 0.5 m | 0.3 m | 0.4 m |
| Maximum magnification | 1:7.7 | 1:11.11 | 1:4.6 | |
| Minimum aperture | 22 | 32 | 32 | 22 |
| Diaphragm blades | 7 | 8 | 9 | 6 |
| Auto focus type | AF | AF | AF | AF |
| Lens Construction | 12 elements / 10 group | 15 elements / 12 group | 17 elements / 13 group | 13 elements / 11 group |
| Filter diameter | 72 mm | 72 mm | 82 mm | 77 mm |
| Macro Yes/No | No | No | No | No |
| Stabilization | No | No | No | No |
| Available mounts | Four Thirds | Canon EF | Canon EF Nikon F Sony A / Minolta Sigma Pentax K |
Canon EF Nikon F Pentax K |
| Dimensions | 75 x 92.5 mm | 89 x 79.2 mm | 89 x 107.5 mm | 80 x 82 mm |
| Weight | 485 g | 570 g | 595 g | 390 g |
| Additional information | Marketed October 1989 | |||
| Score [max 5.00] | ||||
| Our Review |
LensTip.com
