Sigma 17-40mm F1.8 DC ART Specs Leaked – Internal Zoom and 535g Weight

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this is not the real lens but just a rendering
this is not the real lens but just a rendering

A source—who contacts us anonymously but consistently uses a recognizable nickname, and who has shared accurate information in the past (THANK YOU)—has now passed along the main specs for the upcoming Sigma 17-40mm F1.8 DC ART:

  • uses aspherical elements made of SLD (Super Low Dispersion) glass
  • manufactured with advanced polishing technology to minimize chromatic aberration, flare, distortion
  • excellent sharpness from corner to corner already at f/1.8
  • HLA (High-response Linear Actuator) autofocus motor (fast, silent and accurate)
  • excellent control over focus breathing
  • Internal Zoom
  • weight: 535g

Now, Sigma made the Sigma 18–35mm f/1.8 DC HSM Art for APS-C DSLR cameras (launched in 2013), but that one weights 810 grams. So there is a substantial weight reduction with the Sigma 17-40mmF1.8 DC ART, and it even has more range on both ends.

I guess that’s something we can really look forward to.

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