Pentax HD DA 20-40 mm f/2.8-4.0 ED Limited DC WR
2. Pictures and parameters
Pictures:
Parameters:
| Manufacturer | Pentax |
|---|---|
| Model | HD DA 20-40 mm f/2.8-4.0 ED Limited DC WR |
| Lens style | Universal zoom |
| Focal length | 20 - 40 mm |
| Maximum aperture | f/2.8 - 4 |
| Angle of view | 70 - 39 o |
| Closest focusing distance | 0.28 m |
| Maximum magnification | 1:5 |
| Minimum aperture | 22 |
| Number of diaphragm blades | 9 |
| Auto focus type | AF |
| Lens Construction | 9 elements / 8 groups |
| Filter diameter | 55 mm |
| Macro | No |
| Available mounts | Pentax K |
| Dimensions | 71 x 68.5 mm |
| Weight | 283 g |
| Additional information | Announced: 07.11.2013 Weather Resistant HD Coating SP (Super Protect) Coating Quick-shift Focus System Extra low-dispersion ED lens elements |
