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Black Sigma Art zoom lens with hood, caps, pouch and two 67mm filters

SIGMA

Sigma 17-40mm f/1.8 DC Art Lens for Canon RF with 67mm Filter Kit and UV Filter

SKU CH-F0GN-TG43N

Wide 17-40mm zoom with constant f/1.8 aperture for APS-C Canon RF cameras, plus 67mm filter kit and UV filter

  • Fast f/1.8 aperture enables superior low-light capture
  • 17 elements in 11 groups deliver exceptional sharpness
  • 17-40mm zoom covers 25.5-60mm equivalent range
  • Inner zoom mechanism minimises focus breathing
  • Bundle includes 67mm filter kit and UV filter

Versatile Wide-Angle Zoom for APS-C Mirrorless

The Sigma 17-40mm f/1.8 DC Art Lens covers a 17-40mm focal range, delivering a 25.5-60mm equivalent field of view on APS-C sensors. Its constant f/1.8 aperture maintains brightness across the zoom, suiting photographers who need low-light flexibility without swapping primes. The bundle adds a 67mm filter kit and a Hoya NXT Plus UV filter for immediate front-element protection.

Optical Design for Consistent Quality

Seventeen elements in eleven groups incorporate four SLD and four aspherical elements to control aberrations from 17mm to 40mm. An inner zoom mechanism keeps the lens barrel stationary, helping balance stay steady during video work. The HLA linear actuator drives autofocus quickly and quietly, while minimal focus breathing preserves framing when pulling focus between subjects.

Build Considerations for Video and Stills

The constant-aperture design eliminates exposure shifts while zooming, a practical advantage for run-and-gun video. Inner zoom and quiet HLA focus suit gimbal use where length changes and motor noise are disruptive. Buyers needing full-frame coverage or a longer telephoto reach should look elsewhere, as this lens is designed specifically for APS-C mirrorless systems.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $769.99
Pricier than about 68% of the 2,570 comparable items (median $546.49).

Specifications

No published specifications for this item yet.

Questions about this item

How do I mount this lens on my Canon RF camera and what step do people forget?

Align the white mounting index on the lens barrel with the red dot on the RF mount, twist clockwise until it clicks, then remove the rear cap; many forget to take off the rear cap before attaching.

What maintenance will the lens and the bundled filters need later?

Clean the front and rear glass with a blower and microfibre cloth; the Hoya NXT Plus UV filter and ProOptic filter kit threads should be checked for grit before each use to avoid cross-threading.

What limit appears first during long video takes at f/1.8?

Minimal focus breathing is designed in, but the inner zoom mechanism and HLA motor can generate warmth during extended recording, so monitor the barrel temperature on long shoots.

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