Sigma 17-40mm f/1.8 Art Lens Specifications

bythom sigma 1740

A small wide-angle prime.

  • Coverage: APS-C coverage
  • Mounts: Canon RF-S, Fujifilm XF, L-mount, Sony E mount
  • Optical Design:
    • 17 elements in 11 groups
    • 4 aspherical, 4 SLD elements
  • no image stabilization 
  • Apertures:
    • apertures from f/1.8 to f/16; aperture ring with Automatic position
    • 11-blade aperture diaphragm
  • Filters: 67mm front filter thread, non-rotating on focus
  • Focus:
    • 11" (0.28m) minimum focus 
    • 1:5 magnification ratio
    • HLA autofocus motor 
    • internal focus
  • Size and Weight (varies with mount; max used here):
    • 4.8” (116mm) long
    • 2.9” (73mm) diameter
    • 18.9 ounces (535g) weight
  • Build: Black finish
  • Other:
    • Includes petal-shaped LH728-02 lens hood
    • dust and splash resistant
    • supported by USB Dock
  • Price: US$919
  • Announced: June 17, 2025

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