Sigma 8-16mm f/4.5-5.6 DC HSM Lens for Pentax K

Sigma 8-16mm f/4.5-5.6 DC HSM Lens for Pentax K

Sigma 8-16mm f/4.5-5.6 DC HSM Lens for Pentax K

B&H # SI8164556PE MFR # 203109
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Product Highlights

  • K-Mount Lens/APS-C Format
  • 12-24mm (35mm Equivalent)
  • Aperture Range: f/4.5 to f/22
  • Four FLD Elements, One SLD Element
  • Three Aspherical Elements
  • Super Multi-Layer Coating
  • Hyper Sonic Motor AF System
  • 7-Blade Diaphragm
  • Built-In Lens Hood
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Sigma 8-16mm f/4.5-5.6 overview

  • 1Description

Well-suited for landscape, architectural, and interior photography, the Pentax K-mount 8-16mm f/4.5-5.6 DC HSM from Sigma is a sleek ultra-wide zoom featuring quick focusing performance and impressive optics. The optical layout incorporates a series of low dispersion glass elements, which reduce chromatic aberrations and color fringing, along with three aspherical elements to minimize distortion and spherical aberrations for improved sharpness. Individual elements also feature a Super Multi-Layer Coating that controls ghosting and flare to better suit working in bright and backlit conditions. Complementing the lens design is a Hyper Sonic Motor, which promotes fast, quiet, and precise autofocus, along with full-time manual focus override, and a built-in lens hood is also incorporated to further protect the front lens element and guard against flare.

Wide-angle zoom is designed for use with APS-C-format Pentax K-mount cameras and provides a 12-24mm equivalent focal length range.
Four F Low Dispersion (FLD) elements and one Special Low Dispersion (SLD) element are featured in the optical design, and help to reduce color fringing and chromatic aberrations for improved clarity and color accuracy.
One aspherical element is used to help limit distortion and spherical aberrations and also contributes to greater overall sharpness and accurate rendering.
Super Multi-Layer Coating has been applied to individual elements to minimize flare and ghosting for improved contrast and color accuracy when working in strong lighting conditions.
Hyper Sonic Motor (HSM) realizes quick and quiet autofocus performance as well as full-time manual focus override.
Built-in lens hood helps to prevent stray light from causing flare or ghosting and also guards the front element from accidental impacts.
UPC: 085126203610
In the Box
Sigma 8-16mm f/4.5-5.6 DC HSM Lens for Pentax K
  • Cover Lens Cap for 8-16mm f/4.5-5.6 DC HSM & 15mm f/2.8 EX DG Fisheye
  • Rear Cap LCR II for Pentax K Mount Lenses
  • Limited 1-Year Warranty
  • Limited 3-Year U.S.A. Warranty Extension
  • Table of Contents
    • 1Description

    Sigma 8-16mm f/4.5-5.6 specs

    Focal Length 8 to 16mm
    Comparable 35mm Focal Length: 12 to 24 mm
    Aperture Maximum: f/4.5 to 5.6
    Minimum: f/22
    Camera Mount Type Pentax K
    Format Compatibility APS-C
    Angle of View 121.2° to 83.2°
    Minimum Focus Distance 9.45" / 24 cm
    Magnification 0.128x
    Maximum Reproduction Ratio 1:7.8
    Optical Design 15 Elements in 11 Groups
    Diaphragm Blades 7
    Image Stabilization None
    Autofocus Yes
    Filter Thread None
    Dimensions (DxL) 2.95 x 4.16" / 75 x 105.7 mm
    Weight 1.22 lb / 555 g
    Packaging Info
    Package Weight 1.9 lb
    Box Dimensions (LxWxH) 7.1 x 4.9 x 4.8"

    Sigma 8-16mm f/4.5-5.6 reviews

    8-16mm f/4.5-5.6 DC HSM Ultra-Wide Zoom Lens for Pentax Digital SLR is rated 4.8 out of 5 by 13.
    Rated 5 out of 5 by from Awesome lens for landscape! This is lens is at it's sharpest at 8mm with a bith a softness in the extreme corner, mostly due to the effect a lens this wide have on the perspective.Stopping down decrease sharpness in the middle boost it in the corners. At f8 everything is mostly equal in terms of sharpness. There is some distortion a 8mm but it's easily correctable in lightroom . When zooming a little the distortion disapear. You can't use a filter with this lens because of the bulb like front element but the built in lens hood kind of protects it. You need to be careful so that you don't take your feet in the picture (yeah it's that wide).
    Date published: 2012-10-19
    Rated 5 out of 5 by from Widely Excellent The lens comes up to an equivalent of 12-24 mm (full frame) on Pentax Cameras, which fit exactly what I needed. It's been great using it so far - Good for landscapes, wedding imagery, architecture and interiors, but if you're indoors it's better to use a tripod rather than push the ISO. Also pretty good for group shots on the less-wide side, as people have been complaining they appear too small when it's set too wide. That's something to think about, as the lens isn't like a fisheye - Instead of bloating up, subjects become longer and smaller towards the middle. Which brings me to... Distortion: People/Objects appear extremely fat or distorted on the edges. It's not generally a problem if you understand your gear. Only obvious at the wider end. All in all, a very well made lens.
    Date published: 2011-11-17
    Rated 5 out of 5 by from Very sharp lens. Fun. 8mm is addictive 8mm is addictive. Fun to use. Very sharp. Great colors. Need to learn how to use the perspective but it is amazing to say the least. First non Pentax lens I really like. The quality is quite stellar as well. Cons: Cannot use filters. I have used the Pentax DA 12-24mm as well but after I got this Sigma I let go of it. I take pictures outdoors so the constant f4 did not really matter to me as much.
    Date published: 2011-03-04
    Rated 4 out of 5 by from Performs as expected I bought this lens to help take interior shots for my wife's real estate listings. Build and finish are superb and the pictures are sharp.
    Date published: 2013-04-09
    Rated 5 out of 5 by from Best Zoomy from Sigma This is best zoom ultra wide lens for crop sensor. Easy focusing in AF and Manual modes. Looks great also. Performance better than any Pentax zoom lens. Must have good flash to use it indoor.
    Date published: 2010-11-03
    Rated 5 out of 5 by from The ultrawide for APS-C If you like ultrawides and know how to use them this is a great addition to your lens bag. Nothing wider exist for APS-C. Light falloff is just as expected for such a wide lens. Sharp, some barrel distortion under 12mm and some pincushion above 12mm. Great size but that is also expected for APS-C only lenses.
    Date published: 2012-03-26
    Rated 4 out of 5 by from Great Addition to my Kit A UW lens is a must for travel IMHO and this one is a great performer. I was pleased by it's size--fits a bag nicely--and, while it's not particularly fast, it really does the job in decent light.
    Date published: 2012-07-27
    Rated 5 out of 5 by from Sigma 8-16 Review Pentax K-mount This lens is an excellent UWA lens. Terrific FOV and very good overall sharpness.
    Date published: 2011-03-28
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    Sigma 8-16mm f/4.5-5.6 Q&A

    Sigma 8-16mm f/4.5-5.6 accessories

    Designed for use with:

    • Pentax K-3 II
    • Pentax K-70
    • Pentax K-S2
    • Pentax KP
    See any errors on this page? Let us know.