Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye

bythom sigma 4mm
  • DX coverage (Nikon), EF-S coverage (Canon)
  • Autofocus (in-lens focus motor), internal focus
  • 13 elements in 9 groups, 1 SLD element
  • 6-blade aperture diaphragm
  • smallest aperture is f/22 
  • rear gelatin filter holder
  • 5.3" (0.135m) minimum focus; 1:6 maximum reproduction ratio
  • 3.1 x 3" (77.8 x 76.2mm) long, diameter
  • 16.6 ounces (470g) weight
  • included soft case, caps
  • US$1250
  • Model Number 486

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