Sigma 18-200mm f/3.5-6.3 DC Macro OS HSM Lens For Pentax

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Item: 319814
Manufacture: Sigma
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Sigma 18-200mm f/3.5-6.3 DC Macro HSM Lens For Pentax - 885109

Covering distances from 18mm to 250mm, this remarkably adaptable, all-purpose lens will have you taking everything from wide shots of skyscrapers to close-ups on autumn leaves in the backyard. The 18-200mm f/3.5-6.3 DC Macro HSM Lens from Sigma is fairly compact and lightweight, easily mounted on Pentax K cameras and includes a smart design with sleek black finish. Designed for convenience, versatility and exemplary performance, the lens has all the components you need to take great pictures of any subject in just about any setting. In addition to its range, the 18-200mm contains elements that ensure your images will come out looking great; the Special Low Dispersion (SLD) glass included helps to correct color problems while Super Multi-Layer Coating reduces ghosting and flare, resulting in sharp, high contrast images even when you're shooting in difficult lighting conditions. Finally, the 18-200mm includes Sigma's own Hyper Sonic Motor Focus (HSM) which utilizes ultrasonic waves to create a quiet, fast AutoFocus, making your life easier and assuring that your shots come out crisp and clear. Boasting sophisticated design, exemplary performance and ease-of-use, the Sigma 18-200mm f/3.5-6.3 DC Macro HSM Lens is the ideal addition to your camera kit!

C - Contemporary lens

This lens is part of the Contemporary category of Sigma's Global Vision. Sigma's Contemporary lenses combine modern techniques and materials in order to deliver a concept which combines a streamlined, lightweight construction with best-in-class optical quality and performance.  This compact lens is one you trust for a variety of everyday applications.

DC – DC for Digital

These are special lenses designed for APS-C size sensors so that the image circle matches the smaller size of the image sensor of most digital SLR cameras. Their specialized design gives these lenses the ideal properties for digital cameras, the compact and lightweight construction is an added bonus!

HSM - Quiet and Fast Autofocusing

HSM lenses employ a motor powered by ultrasonic waves that produce a quiet, yet high-speed AutoFocus. You can enjoy high performance with low noise in a variety of shooting situations.

Excellent for Macro Photography

Close-up capability is improved with the minimum focusing distance of 35cm throughout the entire zoom range, and maximum magnification ratio of 1:2.9. In APS-C size equivalent, macro photography with approximately 1:2 magnification ratio is possible. In addition, with this lens, the size and flaming of subjects can be adjusted by rotating a zoom ring, making macro photography easier than using fixed focal macro lens. For further convenience, the maximum magnification ratio at each focusing distance appears on the side of the lens barrel.

Revolutionary Design 

Optimization of the power arrangement by such as incorporating double-sided aspherical lenses, and reexamination of design, the filter diameter size is reduced. This compact size lens has the approximately 13x high zoom ratio with the filter size of diameter 62mm, and dimensions of diameter 73.5mm x Length 88.6mm. It ensures portability and overall ease of use, making it perfect for travel and leisure photography.


  • Filter Thread: 62mm
  • Dimensions (D x L): 2.8 x 3.4-inches
  • Weight: 15.2 ounces 

Lens Performance

  • Focal Length: 18 - 200mm
  • Aperture: f/3.5 to 6.3 - f/22
  • Camera Mount Type: Pentax K
  • Format Compatibility: APS-C
  • Lens Construction: 16 elements in 13 groups
  • Angle of View: 76.5 - 8.1 degrees
  • Maximum Magnifications: 1:3
  • Number of Diaphragm Blades: 7 (Rounded diaphragm)
  • Minimum Focusing Distance: 15.4-inches


  • Autofocus: Yes

• Petal Type Lens Hood
• Front Lens Cap
• Rear Lens Cap