Sigma Fisheye 15mm f/2.8 EX DG Diagonal Fisheye Autofocus Lens for Pentax AF

Model #476109

USA Version
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Filter thread None
Dimensions (dxl) Approx. 2.9 x 2.78" (7.37 x 7.06 cm)
Weight 11.71 oz (332 g)


Camera mount type Pentax K
Aperture Maximum: f/2.8
Minimum: f/22
Format compatibility Pentax Digital (APS-C)
Maximum reproduction ratio 1:3.8
Diaphragm blades 7
Angle of view 180°
Focal length 15 mm
Groups/elements 6/7
Minimum focus distance 5.9" (14.99 cm)
Magnification 0.26x


Tripod collar No
Image stabilization No
Autofocus No
Expert Reviews
Imaging resource.34355410
4 days ago

I was looking for an FX fisheye to replace my DX Nikon 10.5 Fish and it came down to this lens or the Nikon 16 f/2.8. The Nikon was over $200 more expensive and most reviews said this lens was slightly sharper. Both had the same 180 degree view somehow.

User Reviews
B h photo.32817553
22 May 2015

The first thing I noticed about this lens when I opened the box was that it's "Made in Japan." That's a good start. I've had 3rd-party lenses in the past and somehow where it's manufactured has always been a built-quality issue. Not with this lens.

4 March 2014

Traded a bunch of rarely used lenses for this Fisheye. Have Canon 24-70 f/2.8 L and 70-200 f/2.8 II L, considered Canon 16-35, but too much overlap. The image quality is fantastic. I can't really imagine much better results with any lens ... At a reasonable cost.

  • +

    Great image quality, Lightweight

  • -

    None to date

13 August 2015

Too much coma for my desired use (Milky Way). I should have paid attention to warnings from other astrophotogs and not purchased this lens for that purpose. Otherwise nice, seems like I got a good copy.

Photography review.34752477
7 June 2011

i saw this lens in a gray market store, its paint was peeling and it it's front element etched by water damage. i tested it then and still saw some sharpness but everything else was hazy.

  • +

    sharp, good build(but of course sucky sigma paint and labelling), pretty good control of flaring and ghosting

  • -

    the build in hood needs some revision, its great and metal protection but how do you mount a filter in the front even with the adapter for the cap?

Shopping com.33655990
29 December 2008

I purchased this lens a few years ago and it's one of the better lenses I have. I have two Canon L-series lenses (the 24-70mm USM and the 70-200mm) and the sharpness, colours and clarity I get from this lens beats my two L-series hands down.

  • +

    Great colour and sharpness.

  • -


Product Highlights
    In The Box
    • Sigma Fisheye 15mm f/2.8 EX DG Diagonal Fisheye Autofocus Lens for Pentax AF
    • Built-In Lens Hood
    • 72mm Front Cap
    • Rear Cap
    • Adapter Ring (for lens cap)
    • Guide Plate (used as a pattern for gel filters)
    • Padded Case
    • Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
    • Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.
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