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Sigma 17-40mm f/1.8 DC Art lens for L Mount with 67mm filter kit

SIGMA

SIGMA 17-40mm f/1.8 DC Art Lens for L Mount with 67mm Filter Kit

SKU CH-C08W-W62S3

APS-C zoom with constant f/1.8 aperture from 17-40mm, plus a 67mm UV filter kit included

  • Constant f/1.8 aperture enables low-light shooting across the 17-40mm zoom
  • 17-40mm range covers 25.5-60mm equivalent for landscapes to portraits
  • HLA autofocus delivers fast, quiet focusing for stills and video
  • Inner zoom mechanism maintains balance while reducing focus breathing
  • Bundle includes 67mm UV filter plus essentials kit for immediate protection

Wide-aperture APS-C zoom

The Sigma 17-40mm f/1.8 DC Art lens is built for APS-C mirrorless cameras using the L Mount. It delivers a constant f/1.8 maximum aperture across the entire zoom range. Photographers and videographers gain prime-like brightness for low-light work and shallow depth of field. The bundled 67mm filter kit adds front-element protection from day one.

Constant f/1.8 across 17-40mm

The 17-40mm focal span covers wide-angle to short telephoto, equivalent to 25.5-60mm on a 35mm sensor. Brightness stays at f/1.8 throughout, so exposure does not shift when zooming. At the long end the aperture still gathers ample light, yet the fixed maximum means extremely shallow depth of field at 40mm is limited to f/1.8. Shooters needing faster than f/1.8 or longer reach will need a different optic.

Inner zoom with HLA focus

An inner zoom mechanism keeps the lens length constant, easing gimbal balancing and polariser use. The HLA linear actuator drives fast, quiet autofocus with minimal focus breathing for video. The L Mount bayonet fits compatible APS-C and full-frame bodies in crop mode. Buyers without an L Mount camera or who require optically stabilised elements cannot use this lens natively.

Highlights

  • Constant f/1.8 aperture enables low-light shooting across the 17-40mm zoom
  • 17-40mm range covers 25.5-60mm equivalent for landscapes to portraits
  • HLA autofocus delivers fast, quiet focusing for stills and video
  • Inner zoom mechanism maintains balance while reducing focus breathing
  • Bundle includes 67mm UV filter plus essentials kit for immediate protection

Specifications

No published specifications for this item yet.

Questions about this item

Will the 17-40mm f/1.8 zoom cover the same APS-C field of view as my older 18-35mm f/1.8 lens?

The new lens starts at 17 mm instead of 18 mm, giving a slightly wider angle while keeping the same f/1.8 aperture across the range.

How can I verify the HLA autofocus and inner zoom are operating correctly after mounting the lens?

Focus should snap quickly and silently, and the barrel length stays constant while zooming from 17 to 40 mm.

Does the bundle include a protective filter and hood, or do I need to buy them separately?

The box supplies a lens hood, front and rear caps, a carrying pouch, a Hoya NXT Plus 67 mm UV filter and a ProOptic 67 mm filter kit.

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