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Pentax smc DA 17-70 mm f/4.0 AL [IF] SDM

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Specifications:
Manufacturer Pentax
Model smc DA 17-70 mm f/4.0 AL [IF] SDM
Lens style Universal zoom
Focal length 17 - 70 mm
Maximum aperture f/4
Angle of view 79 - 23 o
Closest focusing distance 0.28 m
Maximum magnification 1:3.2
Minimum aperture 22
Number of diaphragm blades 7
Auto focus type SDM
Lens Construction 17 elements / 12 groups
Filter diameter 67 mm
Macro No
Available mounts Pentax K
Dimensions 75 x 93.5 mm
Weight 485 g
Additional information Marketed 03.06.2008
Average rating (7 owners reviews)
Build quality
Optical quality
Value for money

Overall

3.67 Average
Owners reviews (7)
  1. fotoshooter_de
    fotoshooter_de 2 December 2010, 01:47
    Build quality
    Optical quality
    Value for money

    Overall

    IP 79.233.x.x
    Owner since: 2 years
    Price: 400€
    User profile: Amateur

    Cons: plastic lens tube, no constant sharpness over the zoom-range

    Pros: allround zoom, good sharpness, typical distortions, rel. good build quality, good close-up range

    Summary: a lens for most situations, holiday, macro, portrait, landscape...

  2. Jake
    Jake 1 October 2010, 05:02
    Build quality
    Optical quality
    Value for money

    Overall

    IP 70.142.x.x
    Owner since: 1 year
    Price: $500.00
    User profile: Amateur

    Cons: not clear in low light, after the picture is taken and i try to zoom in the clarity falls off fast. i would not recommend this lense to any one.

    Pros: i can't think on any.

    Summary: i have used pentax slr cameras only, i started back in 1976 and have been totally happy till i atached this to my K20D.

  3. Corto
    Corto 9 May 2010, 17:15
    Build quality
    Optical quality
    Value for money

    Overall

    IP 77.84.x.x
    Owner since: 6 months
    Price: 400
    User profile: Amateur

    Cons: Only f.4...

    Pros: Very confortable range, quickshift very appreciable. Very sharp beginning at 17mm. Very silent too thanks to SDM.

    Summary: Wonderful trans-standard lens, that would not leave my bag for any reason.

  4. Whitewash
    Whitewash 9 May 2010, 03:11
    Build quality
    Optical quality
    Value for money

    Overall

    IP 58.96.x.x
    Owner since: 1 year
    Price:
    User profile: Amateur

    Cons: Cheap build quality

    Pros: Price

    Summary: Only an average lens. Consider the sigma equivalent as an alternative - useful wider aperture at 17mm. Oh and remember Lance B will "boost" anything Pentax.

  5. Whitewash
    Whitewash 9 May 2010, 03:11
    Build quality
    Optical quality
    Value for money

    Overall

    IP 58.96.x.x
    Owner since: 1 year
    Price:
    User profile: Semipro

    Cons: Cheap build quality

    Pros: Price

    Summary: Only an average lens. Consider the sigma equivalent as an alternative - useful wider aperture at 17mm. Oh and remember Lance B will "boost" anything Pentax.

  6. Graham Dyke
    Graham Dyke 7 April 2010, 13:15
    Build quality
    Optical quality
    Value for money

    Overall

    IP 195.212.x.x
    Owner since: 1 year
    Price: £270
    User profile: Amateur

    Cons: Inability to focus in low contrast areas. Very poor build quality.

    Pros: Good sharpness. Nice colours. Good contrast.

    Summary: I purchased this lens used for £270, So I thought I got good value for money. I was wrong, although the image quality was good, centre and edge. Colour and contrast was also nice. The real problems with this lens are build quality and its inability to focus in areas of low contrast, where other lenses do. The front element extends on a trombone, this is very wobbly, I mean 2mm+ of play in here, this gets worse when you attach a filter and the lens hood, its unnerving. Also if you then turn the lens upsidedown, so the serial number is facing up and zoom from 17mm the zoom will stick. I have tried this on two different 17-70's and both were the same. I sent mine in for repair, it had to go off to Germany as there is no Pentax UK service any more. Parts were replaced, but this fault remained. This is just unacceptable for a lens costing over £500 new. I think Pentax ne Hoya need to take a step back and ask the question "Do we realy want to be in the DSLR/Lens business?"

  7. Lance B
    Lance B 29 September 2009, 19:59
    Build quality
    Optical quality
    Value for money

    Overall

    IP 203.100.x.x
    Owner since: 3 months
    Price:
    User profile: Amateur

    Cons: Bot quite as sharp as I would like at the long end, but still a very good performance and comparable with any other zoom in this range.

    Pros: A great all purpose zoom. Overall IQ is very good to excellent and the zoom range almost perfect. Excellent build quality and nice handling.

    Summary: Highly recommended all purpose zoom.

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