{"product_id":"sigma-af-17-40mm-f1-8-dc-art-l-mount","title":"Sigma 17-40mm f1.8 DC | Art Lens - L Mount","description":"\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/0pobB7lDAuw?si=tGLwQ65vOBWMTZB0\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\n\u003ch2\u003e\u003cstrong\u003eSigma 17-40mm F1.8 DC | Art Lens – L-Mount\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eRedefining the Standard Zoom for APS-C Mirrorless\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSigma 17-40mm F1.8 DC | Art\u003c\/strong\u003e for \u003cstrong\u003eL-Mount\u003c\/strong\u003e is a groundbreaking standard zoom lens for APS-C mirrorless systems, offering exceptional optical performance and a constant \u003cstrong\u003eF1.8 aperture\u003c\/strong\u003e throughout the zoom range. Lightweight, sharp, and incredibly versatile, this lens is ideal for hybrid creators working across photography and video.\u003c\/p\u003e\n\u003cp\u003eSuccessor to the iconic 18-35mm F1.8, the new 17-40mm builds on Sigma’s innovation by expanding focal range, slashing weight by over 30%, and introducing video-centric features – all in a compact and durable body optimised for L-Mount systems from Leica, Panasonic, and SIGMA.\u003c\/p\u003e\n\u003cp\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=\"\"\u003e\u003c\/p\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\u003eConstant F1.8 Aperture Throughout Zoom Range\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrime-Like Image Quality with Zoom Flexibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e17–40mm Range (Approx. 25.5–60mm in 35mm Format)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimised for APS-C L-Mount Mirrorless Cameras\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed, Silent Autofocus with HLA Motor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInner Zoom Design for Stability \u0026amp; Gimbal Use\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimal Focus Breathing – Ideal for Video\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAperture Ring with Click \u0026amp; Lock Switches\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual AFL Buttons + Dust- and Splash-Resistant Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOnly 535g – 30% Lighter than its Predecessor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\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=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOutstanding Optical Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWith \u003cstrong\u003e17 elements in 11 groups\u003c\/strong\u003e – including 4 SLD and 4 aspherical elements – the lens delivers outstanding resolution and edge-to-edge sharpness at any focal length, even at wide-open \u003cstrong\u003eF1.8\u003c\/strong\u003e. Chromatic aberrations and coma flare are carefully corrected, making it ideal for rendering fine textures, skin tones, and low-light details.\u003c\/p\u003e\n\u003cp\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_006.webp?v=1749737147\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConstant F1.8 – Ultimate Creative Control\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ultra-bright F1.8 aperture across the zoom range gives you the shallow depth of field and low-light performance typically reserved for prime lenses. Whether you're shooting night scenes, indoor portraits, or cinematic bokeh, this lens keeps your look consistent from 17mm to 40mm.\u003c\/p\u003e\n\u003cp\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=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWider Zoom, Smaller Body\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBuilding on the success of the 18-35mm F1.8, this new 17-40mm version:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eExpands your field of view\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduces weight and size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUses a more compact \u003cstrong\u003e67mm filter thread\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeatures a \u003cstrong\u003econstant-length inner zoom mechanism\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis results in a lens that’s perfect for handheld shooting, rig setups, and vlogging on the go.\u003c\/p\u003e\n\u003cp\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_009.webp?v=1749737181\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBuilt for Video Creators\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Sigma 17-40mm F1.8 DC | Art is more than a stills lens – it’s a serious tool for video:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHLA (High-response Linear Actuator)\u003c\/strong\u003e: Delivers fast, accurate, and near-silent AF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimal focus breathing\u003c\/strong\u003e: Maintains stable framing during focus pulls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAperture ring\u003c\/strong\u003e: With clickless operation and locking switch for seamless adjustments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual AFL buttons\u003c\/strong\u003e: Customisable for quick access to functions in both orientations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\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=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eReady for Real-World Conditions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDesigned for professional use, this lens features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDust- and splash-resistant construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWater- and oil-repellent coating\u003c\/strong\u003e on the front element\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust yet lightweight housing\u003c\/strong\u003e for active shooting environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\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_016.webp?v=1749737229\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications (L-Mount)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e: 17–40mm (25.5–60mm 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 Size\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\u003cp\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=\"\"\u003e\u003c\/p\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 – L-Mount)\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\u003cp\u003e\u003cstrong\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_007.webp?v=1749737269\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAvailable Mounts \u0026amp; Launch Info\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounts\u003c\/strong\u003e: L-Mount, Sony E Mount, FUJIFILM X Mount (Available July 10, 2025)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCanon RF Mount\u003c\/strong\u003e: Launching August 2025\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eL-Mount version supports Mount Conversion Service\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\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=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWho Is This Lens For?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eL-Mount users seeking a fast, lightweight zoom for photo + video\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHybrid creators looking for a constant-aperture all-rounder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTravel, documentary, and lifestyle shooters needing portability and quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFilmmakers wanting minimal focus breathing and smooth manual control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\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_039.webp?v=1749737313\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSigma 17-40mm F1.8 DC | Art – The New Standard in APS-C Zooms\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eLighter, wider, faster. The \u003cstrong\u003eSigma 17-40mm F1.8 DC | Art for L-Mount\u003c\/strong\u003e redefines what’s possible from a standard zoom on crop-sensor mirrorless systems. It’s a pro-ready tool that delivers consistent, creative results – wherever your story takes you.\u003c\/p\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":42235291238497,"sku":"0085126214692","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-L-Mount-Product-Photo-3.webp?v=1749734600","url":"https:\/\/carmarcameras.mom\/products\/sigma-af-17-40mm-f1-8-dc-art-l-mount","provider":"Carmarthen Camera Centre","version":"1.0","type":"link"}