SMC Pentax DA 17-70mm f/4 AL (IF) SDM

Brand & mount

  • Autofocus lens, USM
  • Brand: Pentax
  • Mount type: crop
  • Type: zoom


SMC Pentax DA 17-70mm f/4 AL SDM is a autofocus zoom lens with ultra-sonic motor for half-frame SLR system.

Equivalent focal length is 26.35...108.5 mm. The optical scheme comprises 17 elements in 12 groups. Thanks to the 7-bladed aperture, the subjects located outside the depth of field are shown with very smooth features. Equipped with a silent ultrasonic motor providing fast and quiet autofocusing.

This lens has a size of 93.5 mm. This is a normal size, very convenient in everyday use. This lens weighs 485 grams, given the weight of the camera, it may deliver long wearing problems. The lens is suitable for shooting near objects. Mounting the filter has a common size. 17-70mm provides lot of focal length range. x4.1zoom is very useful for traveling. SMC Pentax DA 17-70mm f/4 AL SDM went on sale in 2008.

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Sample photos with SMC Pentax DA 17-70mm f/4 AL SDM (


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