Sigma 8-16mm f/4.5-5.6 DC HSM Ultra-Wide Zoom Lens for Pentax Digital SLR

Model #203109

USA Version
Sigma 203109 1
Sigma 203109 1
Sigma 203109 3
Sigma 203109 4
Sigma 203109 5
Sigma 203109 2
Sigma 203109 6
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ON A BRAND NEW USA VERSION OF Sigma 203109

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Specifications

Physical

Dimensions (dxl) Approx. 3.0 x 4.2" (7.62 x 10.67 cm)
Weight 1.22 lb (555 g)
Filter thread None

Performance

Maximum reproduction ratio 1:7.8
Focal length 8 - 16 mm
Aperture Maximum: f/4.6 - 5.6
Minimum: f/22
Camera mount type Pentax K
Groups/elements 11/15
Format compatibility Pentax Digital (APS-C)
Diaphragm blades 7
Angle of view 114.5° - 75.7°
Minimum focus distance 9.4" (23.88 cm)
Magnification 0.12x

Features

Tripod collar No
Image stabilization No
Autofocus No
Expert Reviews
Pc magazine.32817846
1 August 2012
6.0/10

The Sigma 8-16mm F4.5-5.6 DS HSM is one of the widest zoom lenses available for APS-C camera systems. It's not the sharpest or fastest optic in the world, but will satisfy the needs of shooters who are seeking a uniquely wide perspective.

  • +

    Very, very wide. One-of-a-kind lens.

  • -

    Extreme distortion on the wide end. Relatively slow aperture. Softer at wide angles.

What digital camera.32818507
28 October 2010
8.9/10

With two 10-20mm lenses already within the Sigma stable, how exactly does this superwide offering fit into the line-up?

  • +

    Excellent 8mm performance

  • -

    Weaker 16mm performance

Shutterbug.32823264
14 September 2011

I really like extreme lenses. Extremely wide, extremely fast, and extremely long lenses will all allow you to create unique images that stand out from the crowd. When I heard about the Sigma 8-16mm lens I wanted to get my hands on one and start shooting, so I asked my editor if I could borrow one...

The digital picture.34755376
22 November 2010

The Sigma 8-16mm f/4.5-5.6 DC HSM Lens delivers very good image quality, has solid build quality, has fast and quiet HSM AF and has a reasonable price. But perhaps the most exceptional Sigma 8-16 feature is the ultra wide angle range of focal length range available - including the widest focal...

Photodo.33034400
10 June 2011

Gary Wolstenholme takes a look at this unique lens, which is currently the widest rectilinear lens available for APS-C sensor cameras.

  • +

    Outstanding sharpness in the centre, Excellent build, Unique wide angle field of view for APS-C cameras, Compact dimensions, Silent focusing, Low distortion

  • -

    CA towards edges of the frame at 8mm, Falloff at 8mm, No way to attach filters

Pentaxforums.34752457
27 August 2011
7.6/10

This is an in-depth review of the Sigma 8-16mm f/4.5-f/5.6 DC HSM lens; the model tested had the Pentax-K mount.

Imaging resource.34355410
26 August 2010

Optimized to work where you'll probably be using it, there's not much more to say here that the review doesn't cover. If you need ultra, ultra-wide, you won't go wrong with the Sigma 8-16mm, and at present, there's not a whole lot else to choose from.

Practical photography.34754171
23 February 2017

With mounts for Canon, Nikon, Pentax, Sigma and Sony, the Sigma 8-16mm f/4.5-5.6 DC HSM is the widest APS-C optic on the market... It offers a full-frame equivalent focal length of 12-24mm and has a variable maximum aperture of f/4.5-5.6.

Photozone de.34752480
7 February 2011
8.7/10

The Sigma AF 8-16mm f/4.5-5.6 DC HSM may be the new star in this lens segment. It's very sharp across the whole range straight from the max. aperture. Lateral CAs are also very well controlled. That's quite an achievement for such an extreme ultra-wide angle zoom lens.

Ephotozine.34750887
2 February 2011
8.0/10

A unique wide angle lens for APS-C cameras providing a rectilinear field of view equivalent to that of a 12-24mm lens on a 35mm camera.

  • +

    Outstanding sharpness in the centre, Excellent build, Unique wide angle field of view for APS-C cameras, Compact dimensions, Silent focusing, Low distortion

  • -

    CA towards edges of the frame at 8mm, Falloff at 8mm, No way to attach filters

User Reviews
Imaging resource.34355410
9 March 2017
10/10

I was dithering for months over this. I already had the lovely 10-20mm f/4 - 5.6 but quite honestly, it sat in my camera bag or worse, stayed home, when out shooting and you know something? I didn't realise why.

  • +

    Classy modern look Breathtaking Imagery Sharp as a box of razor blades Not too heavy Refreshes your enthusiasm for shooting wide

  • -

    Currently a bit expensive in the UK (March 2017) Takes time to learn HOW to use it best Restricted zoom range but 8mm is where it's at here!

Amazon.32817384
15 June 2015
10/10

I recently got this lens with the intention of trying it out on holiday in Europe where I would be doing a lot of landscapes and cityscapes. This lens proved to be a game-changer in opening up the possibilities one has to capture a shot, especially with crop-sensor cameras that handicap this ability...

Photography review.34752477
15 January 2012
10/10

Owning a Olympus E5 I have always wanted the Zuiko 7-14mm but the price was just to high. I have recently moved to Sony and picked up this lens for less than half the cost of the 7-14mm. With the crop factor it is actually 2mm wider than the Zuiko. The Sigma is a well made lens.

  • +

    Build quality, Sharp, nice smooth focus ring, price

  • -

    Can't use an ND grad, Can flare easily

Imaging resource.34355410
23 October 2016
8.0/10

Funhouse of a lens for dramatic effect. Allows shots likely impossible with most other lenses. Not a low-light lens - don't even think about it. Unmatched for carshow, airshow, nature shots where wide is what you want. long end fairly sharp.

  • +

    Wiiiiide. Great for confined spaces. Amazing perspective in right circumstance. Reasonably priced, considering. Long end fairly sharp.

  • -

    Easy to shoot your feet accidentally. Forget using it in low light. Distortion at periphery at 8mm but what would you expect? Not FX. Funky lens cap thingie.

Lenstip com.34355424
7 September 2016
8.0/10

Unique lens, worth for the money.

  • +

    Great wide angle, very good IQ in the centre and across the frame when stopped down to f/7,1. Easy to use in manual focus mode. Lightweight

  • -

    Edge sharpness is often not very good, compatibility with newer Nikon cameras

Wex.33757758
9 June 2016
2.0/10

After doing huge research & reading excellent reviews, I chose this lens for my Nikon D7100. It looks good, seems well built and I love the extreme wide-angle effect. Initially I tested it before doing fine-focus tuning just to see how 8mm looked, and I loved it.

  • +

    Consistent Output, Durable, Easily Interchangeable, Lightweight, Quick Focus, Strong Construction

  • -

    Blurry Focus, Half The Frame Unusable, Low Resolutiion, Poor Colour Rendition

Amazon.33763205
2 October 2015
10/10

sigma also makes excellent optics i expect great things out of this lens may get back on this later date

Amazon.32817384
1 March 2015
10/10

I haven't been using this lens very long but I'm really loving it. The color is fantastic so is the sharpness. It has awesome resistance to ghosting and flare. I don't bought this would be a major problem with the bulbous front lens element.

Amazon.32817384
6 June 2014
4.0/10

The ultrazoom is breathtaking. However there are couple of "small issues". You can't use the flash, as the flash is not wide enough. You can't use the filters, as there is no bayonet. All the items in bundle are mostly cheap crap with very low value.

Ebay.33867818
7 December 2013
8.0/10

The 8mm end is fascinating. It allows the perspective that other wide angle lens not able to go. Optical quality is great, even edge of the image is highly acceptable (especially at f8-f11). Strongly recommended.

Product Highlights
    8.6/10
    Average Expert Score
    9.1/10
    Average User Score
    In The Box
    • Sigma 8-16mm f/4.5-5.6 DC HSM Ultra-Wide Zoom Lens for Pentax Digital SLR
    • Lens Hood
    • Front & Rear Lens Caps
    • 3-Year USA Warranty
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