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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
Average rating (2 owners reviews)
Build quality
Optical quality
Value for money

Overall

4.83 Good
Owners reviews (2)
  1. Fookus
    Fookus 19 February 2016, 13:58
    Build quality
    Optical quality
    Value for money

    Overall

    IP 94.208.x.x
    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!

  2. JoeK
    JoeK 30 January 2014, 04:22
    Build quality
    Optical quality
    Value for money

    Overall

    IP 74.124.x.x
    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.

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