Sigma 18-200mm f/3.5-6.3 DC Lens for Pentax and Samsung Digital SLR Cameras


Features
  • High zoom ratio (11:1) lens designed for Pentax digital SLR cameras
  • 18 to 200 mm focal length
  • 2 Special Low Dispersion glass elements; 2 hybrid aspherical lenses
  • Compact, lightweight construction
  • Lens coating reduces flare and ghosting

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Product Description
The lens design incorporates an inner focusing system%2C which prevents the front of the lens from rotating%2C making it particularly suitable for using circular polarizing filters and petal shaped lens hoods%2E The overall length of the lens does not change during focusing%2C ensuring convenient handling and ease of use%2E A zoom lock switch eliminates %91zoom creep%92 during transportation%2C a convenient addition when traveling%2E