DescriptionDescriptionThe Sigma 17-40mm F1.8 DC (RF-Mount) is a high-performance standard zoom lens designed for Canon RF-mount mirrorless cameras. Featuring a constant f/1.8 aperture across the entire zoom range, it delivers prime-like image quality with exceptional sharpness, beautiful background blur, and outstanding low-light performance.Covering a versatile 17-40mm focal range, this lens is ideal for landscapes, portraits, street photography, and video production. The advanced HLA-driven high-speed autofocus ensures fast, precise, and quiet focusing, while the inner zoom mechanism enhances balance and handling. Minimal focus breathing makes it an excellent choice for video creators.Built for demanding environments, the lens features a dust- and splash-resistant construction with a water- and oil-repellent coating. Additional highlights include an intuitive aperture ring with customizable functions, two AFL buttons for enhanced control, and an optical design engineered to minimize flare and ghosting.Tech SpecsMountCanon RF-mountFocal Length17-40mmAperture Rangef/1.8 to f/22 (constant f/1.8)AutofocusHLA-driven high-speed autofocusBuildDust- and splash-resistant; water- and oil-repellent coatingAdditional FeaturesMinimal focus breathing, inner zoom mechanism, aperture ring with multiple functions, two AFL buttons, flare & ghosting controlIncludedLens, front lens cap, rear lens capWarranty1 Year Warranty★ ★ ★ ★ ★ 5 out of 5 (estimated) “Incredible image quality with great low-light performance. Perfect for both stills and video work.” — Verified user Achieve stunning clarity and creative control — fast, versatile, and built for every shot.
