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Pentax HD DA 20-40 mm f/2.8-4.0 ED Limited DC WR
Pictures:
Specifications:
| 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 |
Owners reviews (2)
Overall
Owner since: 2 years
Price: 500
User profile: Amateur
Cons: not tack sharp wide open
Pros: very very nice zoom; contrasty; sharp; good walkaround; fits very nice on K3
Summary: get one!
Overall
Owner since: 1 month
Price: $996 USD
User profile: Amateur
Cons: My first copy was badly decentered and had to be returned. The replacement copy has very good optical quality. Apparently poor QC for a lens this expensive.
Pros: Replacement lens has very good optical quality except for one soft extreme corner at 20mm wide-angle. As expected, build quality is superlative. Otherwise, quite sharp edge-to-edge. Weather-resistant and fairly compact.
Summary: I suspect that the Sigma 18-35 in Pentax mount would be sharper but this is a nice lens if you get a good copy. Definitely worth checking ASAP and exchanging if needed.