{"product_id":"sigma-17-40mm-f1-8-dc-art-lens-canon-rf-mount","title":"Sigma 17-40mm F1.8 DC | Art Lens – Canon RF Mount","description":"\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/0pobB7lDAuw?si=tGLwQ65vOBWMTZB0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSigma 17-40mm F1.8 DC | Art Lens – Canon RF Mount\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eGame-Changing F1.8 Zoom for APS-C Canon RF Cameras\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSigma 17-40mm F1.8 DC | Art\u003c\/strong\u003e for \u003cstrong\u003eCanon RF Mount\u003c\/strong\u003e is a revolutionary large-aperture standard zoom lens designed specifically for APS-C mirrorless cameras. Combining prime-like image quality with the flexibility of a zoom, this lightweight and versatile lens is the perfect companion for photographers and video creators who demand high performance in a compact package.\u003c\/p\u003e\n\u003cp\u003eThis next-generation lens builds on the legacy of the iconic Sigma 18-35mm F1.8 by expanding the focal range, adding cutting-edge autofocus technology, and delivering outstanding performance for both stills and video.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0554\/9657\/3025\/files\/Sigma-AF-17-40mm-f1-8-DC-Art-Lens-Sample-Photo-EtsukoAimu_ExamplePhoto_020.webp?v=1749737250\" alt=\"Sigma 17-40mm F1.8 DC | Art Lens lifestyle photo\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features at a Glance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAPS-C Standard Zoom with Constant F1.8 Aperture\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e17–40mm Range (Approx. 27.2–64mm in 35mm Format for RF)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrime-Level Optical Performance Across the Zoom Range\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCanon RF Mount Compatibility (APS-C Bodies Only)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFast, Silent Autofocus via High-response Linear Actuator (HLA)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStable Inner Zoom Design – Ideal for Gimbals and Rigs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimal Focus Breathing for Cinematic Focus Pulls\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCustom Control Ring for Manual Adjustments\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeather-Resistant Construction + Lightweight 535g Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0554\/9657\/3025\/files\/Sigma-AF-17-40mm-f1-8-DC-Art-Lens-Sample-Photo-EtsukoAimu_ExamplePhoto_005.webp?v=1749737126\" alt=\"Sigma 17-40mm F1.8 DC | Art Lens lifestyle photo\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eIncredible Image Quality with a Wide F1.8 Aperture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 17-40mm F1.8 DC | Art features a complex optical design (17 elements in 11 groups, including 4 SLD and 4 aspherical elements) that delivers superb sharpness and clarity across the frame – even wide open. The fast F1.8 aperture excels in low light and allows for beautifully smooth background blur, making it ideal for portraits, events, and night scenes.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWide and Versatile Zoom Range\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eOptimised for APS-C RF-mount cameras like the Canon EOS R50, R10, and R7, this lens covers a \u003cstrong\u003e27.2–64mm equivalent range\u003c\/strong\u003e, perfect for everything from wide-angle shots to environmental portraits. With a constant aperture and flexible framing, you can shoot without changing lenses – saving time and maintaining consistency.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0554\/9657\/3025\/files\/Sigma-AF-17-40mm-f1-8-DC-Art-Lens-Sample-Photo-EtsukoAimu_ExamplePhoto_003.webp?v=1749737103\" alt=\"Sigma 17-40mm F1.8 DC | Art Lens lifestyle photo\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eMade for Motion – Video-Ready Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Canon RF version of the Sigma 17-40mm F1.8 is equipped with features specifically tailored for hybrid and video creators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCustomisable control ring\u003c\/strong\u003e for smooth manual adjustments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimal focus breathing\u003c\/strong\u003e ensures consistent composition while pulling focus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSilent, fast AF\u003c\/strong\u003e thanks to the HLA motor – ideal for single-operator setups, gimbal work, and vlogging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInner zoom design\u003c\/strong\u003e keeps the lens size constant – perfect for balance and stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0554\/9657\/3025\/files\/Sigma-AF-17-40mm-f1-8-DC-Art-Lens-Sample-Photo-EtsukoAimu_ExamplePhoto_012.webp?v=1749737202\" alt=\"Sigma 17-40mm F1.8 DC | Art Lens lifestyle photo\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eLightweight Yet Durable Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDespite its fast aperture and optical complexity, this lens weighs just \u003cstrong\u003e535g\u003c\/strong\u003e. A smaller 67mm filter thread enhances portability, and its \u003cstrong\u003edust- and splash-resistant construction\u003c\/strong\u003e makes it ready for demanding shoots in challenging environments.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ewater- and oil-repellent coating\u003c\/strong\u003e on the front element further improves durability and ease of cleaning in outdoor conditions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications (Canon RF Mount)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e: 17–40mm (27.2–64mm equivalent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Aperture\u003c\/strong\u003e: F1.8 | \u003cstrong\u003eMin. Aperture\u003c\/strong\u003e: F16\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLens Construction\u003c\/strong\u003e: 17 elements in 11 groups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAngle of View\u003c\/strong\u003e: 79.7°–39.1°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiaphragm Blades\u003c\/strong\u003e: 11 (Rounded)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Focus Distance\u003c\/strong\u003e: 28cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Magnification\u003c\/strong\u003e: 1:4.8 at 40mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFilter Thread\u003c\/strong\u003e: 67mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 72.9 x 115.9mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 535g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0554\/9657\/3025\/files\/Sigma-AF-17-40mm-f1-8-DC-Art-Lens-Sample-Photo-EtsukoAimu_ExamplePhoto_007.webp?v=1749737164\" alt=\"Sigma 17-40mm F1.8 DC | Art Lens lifestyle photo\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat’s in the Box\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLens Hood (LH728-02)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFront Cap (LCF-67 IV)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRear Cap (LCR III – Canon RF)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePouch\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Launch Info\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMount\u003c\/strong\u003e: Canon RF (APS-C mirrorless cameras only)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRelease Date\u003c\/strong\u003e: \u003cstrong\u003eAugust 2025\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cem\u003eDeveloped and released under license from Canon Inc.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWho Is This Lens For?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCanon RF APS-C users looking for a fast, professional zoom\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePhotographers who want prime-like image quality in a zoom format\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContent creators, vloggers, and filmmakers needing minimal focus breathing and silent AF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnyone seeking portability, flexibility, and high-end performance in one package\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0554\/9657\/3025\/files\/Sigma-AF-17-40mm-f1-8-DC-Art-Lens-Sample-Photo-NaokiMiyashita_ExamplePhoto_031.webp?v=1749737291\" alt=\"Sigma 17-40mm F1.8 DC | Art Lens lifestyle photo\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eSigma 17-40mm F1.8 DC | Art – For Canon RF Creators Who Demand More\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWhether you're capturing stunning stills or shooting polished video content, the \u003cstrong\u003eSigma 17-40mm F1.8 for Canon RF Mount\u003c\/strong\u003e offers unmatched performance, creative freedom, and exceptional image quality – all in a compact, lightweight form.\u003c\/p\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":42235296153697,"sku":"0085126214722","price":779.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0554\/9657\/3025\/files\/Sigma-AF-17-40mm-f1-8-DC-Art-Lens-Canon-RF-S-Mount-Product-Photo-1.webp?v=1749735301","url":"https:\/\/carmarcameras.mom\/products\/sigma-17-40mm-f1-8-dc-art-lens-canon-rf-mount","provider":"Carmarthen Camera Centre","version":"1.0","type":"link"}