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Pentax 17-70mm F/4 SMC DA AL IF SDM K Mount Autofocus Lens For APS-C Sensor DSLRS {67}

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* Item pictured for illustrative purposes only, actual item not pictured.

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Pentax 17-70mm F/4 SMC DA AL IF SDM K Mount Autofocus Lens For APS-C Sensor DSLRS {67} Description


The Pentax SMC DA 17-70mm f/4 SDM AL IF is a compact and lightweight lens designed to handle extreme close-ups, mid-distance actions shots, and portraits without the weight of heavier lenses.  This jack-of-all trades lens delivers exceptional optical quality. The Pentax SMC DA 17-70mm f/4 SDM AL IF offers Pentaxs SDM focusing, quick-shift focus delivering fast and smooth autofocusing, and Super Protect Coating for easy cleaning while repelling moisture, dust, and oil base substance. Developed for Pentax DSLRs with APS-C size sensor, this lens concerts advanced optical technology, extra low dispersion and aspherical elements to account for chromatic and spherical aberration, versatile zoom range, and ultra-wide to medium telephoto range.

KEH Specifications

  • Focal Length: 17-70 mm
  • Aperture Maximum: f/4
  • Aperture Minimum: f/22
  • Camera Mount Type: Pentax KAF3
  • Format Compatibility: APS-C
  • Minimum Focus Distance: 28 cm (0.92 ft)
  • Elements/Groups: 17/12
  • Angle of View: 79° - 23° (with PENTAX D-SLR camera body)
  • Autofocus: Yes (built-in AF motor) No autofocus with K100D, K110D and *istD series
  • Tripod Collar: No
  • Filter Thread: 67 mm
  • Dimensions: 75 mm × 93.5 mm (3.00in × 3.70in)
  • Weight: 485g (17.1 oz.) without hood




Digital SLR

Physical Characteristics

Lens Mount Pentax KAF2 (SMC-DA, SMC-DFA)

General information

Manufacturer Part Number 21740
Manufacture GTIN 0027075141223
Brand Name Pentax

Technical Information

Minimum Focus Distance 11.02"
Lens Construction 17 Elements in 12 Groups
Zoom Min Focal Len 70 mm
Minimum Focal Length 17 mm
Maximum Aperture Wide 4
Zoom Min Focal Length 17.0000
Zoom Max focal length 70.0000

Customer Reviews