• Webcode: 233171 • Mfr: 21660
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Product Highlights
  • f/2.8 - f/22 Aperture Range
  • 18/14 (Elements/Groups)
  • Full-Frame Format
  • SDM Supersonic Drive Motor
  • Weather Resistant
  • Pentax K Mount
Web Availability: Special Order

Overview

The PENTAX DA * 50-135mm F2.8 ED (IF) telephoto zoom lens is designed for exclusive use with PENTAX digital SLR cameras, delivering the highest level of ultimate optical image quality. With aspherical elements, special optical-glass elements and original lens coatings, this lens is superior in terms of contrast, clarity and edge-to-edge sharpness. The 50-135mm features tightly sealed, weather-resistant and dust-resistant construction to enhance durability for use in rain or dusty conditions. A new SDM system has been incorporated for smoother, quieter autofocusing operation using a built-in supersonic motor. It also features the PENTAX-original Quick-Shift Focus System for instant switching to manual-focus operation and PENTAX-original SP (Super Protect) coating to repel dust, water and grease.

Key Features

  • High performance, telephoto zoom lens
  • SDM system creates smoother, quieter auto focus
  • Weather resistant and dust resistant body
  • Quick-shift Focus System for instant switching from auto focus to manual
  • Pentax SP coating protects the exposed lens elements
  • Three ED elements compensate for chromatic aberration
  • Developed specifically for Pentax digital SLR's
  • Focal length equivalent to 76.5mm to 207mm in the 35mm format

Reviews

Product Specifications

Detailed Specifications
 Lens Mount:  PENTAX KAF2 Mount
 Lens Construction:  18 elements in 14 groups
 Angle of View:  31.5 - 11.9 degrees (when used with PENTAX Digital SLR camera body)
 Aperture Control:  Automatic
 Minimum Aperture:  F22
 Number of Diaphragm Blades:  9
 Metering System:  TTL open-aperture metering
 Minimum Focusing Distance:  1.0m
 Filter Size:  67mm
 Maximum Magnification:  0.17X
Dimensions (diameter x length): 3.0" x 5.4" (76.5mm x 136mm)
Weight: 24.2 oz. (685g) without hood, 27.0 oz. (765g) with hood

Questions & Answers

Pentax smc DA 50-135mm f/2.8 ED IF SDM Lens

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