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The Sigma 18-125mm f/3.8-5.6 DC HSM is a versatile superzoom lens designed exclusively for APS-C format Pentax DSLRs. This compact, high performance zoom delivers a 6.9x zoom ratio with an effective focal range equivalent to 27-187.5mm on full-frame, making it ideal for landscape, travel, portrait and close-up photography in a single lens. Featuring Sigma's renowned HSM (Hyper Sonic Motor) for fast and quiet autofocus, the lens combines advanced optical elements including SLD (Special Low Dispersion) glass and aspherical lens elements to minimise aberrations and ensure exceptional image quality throughout the entire zoom range. With a minimum focus distance of just 35cm and 0.26x magnification, it excels at close-up work, whilst the robust construction and multi-layer coating design deliver reliable performance for everyday shooting.

Dimensions89mm length x 74mm diameter
Filter Diameter62mm
Image StabilisationNo
Lens MountPentax K Mount
Lens TypeZoom
Max Aperturef/3.8-5.6
Minimum Aperturef/22-f/36
Minimum Focus35cm
Min Focal Length18mm
Zoom Focal Length125mm
  • Lens
  • Front and Rear Lens Caps
  • Removable Lens Hood

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