20mm f/1.4 DG HSM 

bythom sigma 20mm
  • FX coverage
  • Autofocus (with in-lens focus motor), rear focus
  • 15 elements in 11 groups, 1 aspherical, 2 FLD, 5 SLD elements
  • 9-blade rounded aperture diaphragm
  • smallest aperture is f/16
  • built-in lens hood, no filter ring
  • 11" (0.28m) minimum focus; 1:7.1 maximum reproduction ratio
  • 5.1 x 3.6” (129.8 x 90.7mm) long, diameter
  • 33 ounces (950g) weight
  • included petal lens hood, caps, compatible with USB dock
  • US$900
  • Model Number 412955
  • Announced October 15, 2015

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