Pentax DA* 50-135mm f/2.8 ED [IF] SDM

  • Focal length 50-135
  • Aperture range f/2.8 - f/22
  • Minimum Focusing Distance 1.0m
  • Filter size 67mm
  • SKU: PE21660
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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.

Autofocus Yes
Lens mount Pentax KAF2
Maximum aperture F2.8
Lens type Zoom lens
Max Format size APS-C / DX
Focal length 50–135 mm
Image stabilisation No
Minimum aperture F22.0
Number of diaphragm blades 9
Elements 18
Groups 14
Minimum focus 1.00 m (39.37″)
Motor type Ultrasonic
Full time manual Unknown
Focus method Internal
Distance scale Yes
DoF scale Yes
Weight 685 g (1.51 lb)
Diameter 77 mm (3.03″)
Length 136 mm (5.35″)
Sealing Yes
Zoom method Rotary (internal)
Filter thread 67 mm
Hood supplied Yes
Colour Black
Maximum magnification 0.17×
Tripod collar No