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Pentax smc DA 21 mm f/3.2 AL Limited

Pictures:
Specifications:
Manufacturer Pentax
Model smc DA 21 mm f/3.2 AL Limited
Lens style Wide angle
Focal length 21 mm
Maximum aperture f/3.2
Angle of view 68 o
Closest focusing distance 0.2 m
Maximum magnification 1:5.88
Minimum aperture 22
Number of diaphragm blades 7
Auto focus type AF
Lens Construction 8 elements / 5 groups
Filter diameter 43 mm
Macro No
Available mounts Pentax K
Dimensions 63 x 25 mm
Weight 140 g
Additional information can be used with 43mm and 49mm filters
Average rating (2 owners reviews)
Build quality
Optical quality
Value for money

Overall

4.00 Good
Owners reviews (2)
  1. heribert
    heribert 3 November 2013, 01:42
    Build quality
    Optical quality
    Value for money

    Overall

    IP 91.0.x.x
    Owner since: 3 years
    Price:
    User profile: Semipro

    Cons: pillow distortion

    Pros: it is so small nice Hood sharp rather nice bokeh

    Summary: wonderful for streetphotography

  2. Michael Shea
    Michael Shea 13 October 2013, 11:16
    Build quality
    Optical quality
    Value for money

    Overall

    IP 85.139.x.x
    Owner since: 1 year
    Price: £380
    User profile: Amateur

    Cons: Relatively slow for a prime lens. Sharpness from corner to corner only obtained by stopping down to at least f5.6 and preferably f8. Expensive. In all honesty, optically no improvement on discontinued 16-45mm f4 lens, which in the UK at least is/was less than half its price.

    Pros: Extremely well made. Easy to handle and its diminutive size enables you to comfortably pack and carry two or three other Pentax primes in a small carrying case. Fairly reliable and fast autofocus. Tolerably sharp when stopped down, although Pentax RAW settings will often require some adjustment. Versatile focal length. Neutral colour rendering.

    Summary: Despite what Pentax forums would have you believe, there is nothing special about this lens, except for its compact size and excellent, robust build quality. Unless size is a critical factor you are probably going to better served by a decent zoom lens. A vast improvement on the Pentax K-5 kit lens of course, but that's not saying much.

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