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| Manufacturer | Olympus | Olympus | Nikon Nikkor | Pentax |
|---|---|---|---|---|
| Model | M.Zuiko Digital 17 mm f/2.8 | Zuiko Digital 25 mm f/2.8 | MF 45 mm f/2.8 P | smc DA 21 mm f/3.2 AL Limited |
| Lenst style | Wide angle | Normal | Normal | Wide angle |
| Focal length | 17 mm | 25 mm | 45 mm | 21 mm |
| Maximum aperture | f/2.8 | f/2.8 | f/2.8 | f/3.2 |
| Angle of view | 65 o | 46.8 o | 50 o | 68 o |
| Closest focusing distance | 0.2 m | 0.2 m | 0.45 m | 0.2 m |
| Maximum magnification | 1:9 | 1:5.2 | 1:7.6 | 1:5.88 |
| Minimum aperture | 22 | 22 | 22 | 22 |
| Diaphragm blades | 5 | 7 | 7 | 7 |
| Auto focus type | AF | AF | MF | AF |
| Lens Construction | 6 elements / 4 group | 5 elements / 4 group | 4 elements / 3 group | 8 elements / 5 group |
| Filter diameter | 37 mm | 43 mm | 52 mm | 43 mm |
| Macro Yes/No | No | No | No | No |
| Stabilization | No | No | No | No |
| Available mounts | Micro Four Thirds | Four Thirds | Nikon F | Pentax K |
| Dimensions | 57 x 22 mm | 23.5 x 64 mm | 17 x 61.5 mm | 63 x 25 mm |
| Weight | 71 g | 95 g | 120 g | 140 g |
| Additional information | one aspherical lens | Anounced: March 2008. | Available in black or silver colour | can be used with 43mm and 49mm filters |
| Score [max 5.00] | ||||
| Our Review |
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