15mm f/2.8 EX DG Fisheye

  • FX coverage
  • Autofocus (but no in-lens focus motor)
  • 7 elements in 6 groups
  • 180° view across the diagonal
  • 7-blade aperture diaphragm
  • smallest aperture is f/22 
  • rear gelatin filter slot
  • 5.9" (0.15m) minimum focus; 1:3.8 maximum reproduction ratio
  • 2.8 x 2.9" (70.5 x 73.5mm) long, diameter
  • 11.7 ounces (330g) weight
  • included built-in lens hood, soft case, caps
  • US$830
  • Model Number 476

Thom's Mini Review: This is Sigma's equivalent to the famous 16mm f/2.8 Nikkor Fisheye. It's smaller and lighter, and in my opinion sharper overall with less chromatic aberration than the Nikkor. To keep a horizon horizontal and not widely bowing, you must keep it centered in the frame. These diagonal fisheyes became popular with extreme sports shooters, who were putting their cameras up close to mountain bikers, skateboarders, and others and getting the hugely exaggerated perspective that plays well with some motion. Not exactly an all purpose lens, but I like to have a diagonal fisheye in my bag just in case I find something that benefits from extreme perspective. One note: the front cap is a two-piece slip-on cap that's easy to lose if you're not paying attention. The lens hood will eventually get scarred by repeatedly removing and replacing the cap. No big deal, but something to remember if you're looking at used copies.

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