Pentax smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens


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Product Description

Pentax SMC DA* Series 50-135mm f/2.8 ED IF SDM Telephoto Zoom Lens for Pentax and Digital SLR Cameras

Designed for exclusive use with Pentax digital SLR cameras, the Pentax DA series 50-135mm telephoto zoom lens makes it easy to capture close-in sports shots or intimate wildlife photography. The lens is distinguished by its aspherical elements, special optical-glass elements, and original glass coatings, which help produce a high contrast, unmatched clarity, and edge-to-edge sharpness. The lens also boasts a tightly sealed weather- and dust-resistant housing that stands up to rainy or dusty conditions. And users will love the new SDM system, which produces smoother, quieter autofocusing using a built-in supersonic motor. Other details include a Pentax-original Quick-Shift Focus System that switches instantly to manual-focus operation, a Pentax SP coating that protects the exposed lens elements, and a focal length equivalent to 76.5-207mm in the 35mm format.


  • Lens mount: Pentax KAF2
  • Lens construction: 18 elements in 14 groups
  • Angle of view: 31.5 to 11.9 degrees (when used with Pentax digital SLR camera body)
  • Aperture control: Automatic
  • Minimum aperture: F22
  • Metering system: TTL open-aperture metering
  • Minimum focusing distance: 1 meter
  • Filter size: 67mm
  • Maximum magnification: 0.17x
  • Dimensions: 3 inches in diameter and 5.4 inches long
  • Weight: 24.2 ounces (without hood)



  • 50-135mm telephoto zoom lens with F/2.8 maximum aperture for Pentax digital SLR cameras
  • Aspherical elements, special optical-glass elements, and original glass coatings
  • Tightly sealed weather- and dust-resistant housing stands up to rainy or dusty conditions
  • SDM system produces smooth, quiet autofocusing; SP coating protects exposed lens elements
  • Measures 3 inches in diameter and 5.4 inches long; weighs 24.2 ounces without hood

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