{"product_id":"refurbished-sigma-12-24mm-f4-dg-hsm-a-canon-ef","title":"Clearance Sigma 12-24mm F4 DG HSM | A Canon EF","description":"\u003ch3\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e**These are new stock, discontinued products Or Ex Cabinet Display that come with a genuine Sigma 3-year uk warranty.**\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cstrong\u003eSIGMA 12-24mm F4 DG HSM | Art Lens for Canon EF Mount\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003eExceptional Edge-to-Edge Sharpness. Expansive Ultra-Wide Perspectives.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSIGMA 12-24mm F4 DG HSM | Art\u003c\/strong\u003e is a high-performance \u003cstrong\u003eultra-wide-angle zoom lens\u003c\/strong\u003e designed for full-frame Canon EF-mount DSLRs. Now in its \u003cstrong\u003ethird generation\u003c\/strong\u003e, this flagship ultra-wide zoom delivers outstanding sharpness, minimal distortion, and beautiful rendering—pushing the boundaries of what’s possible with wide-angle photography.\u003c\/p\u003e\n\u003cp\u003eWhether you're capturing grand architecture, immersive landscapes, or creative interiors, this \u003cstrong\u003e12-24mm Art lens\u003c\/strong\u003e provides a constant \u003cstrong\u003eF4 aperture\u003c\/strong\u003e, premium optics, and robust build quality—making it a professional’s choice for demanding wide-angle work.\u003c\/p\u003e\n\u003ch3\u003eA Legacy of Ultra-Wide Innovation\u003c\/h3\u003e\n\u003cp\u003eSIGMA has led the way in ultra-wide-angle zoom lens development for decades. Starting in 1979 with the SIGMA Zoom Gamma 21-35mm, followed by groundbreaking releases like the world’s first full-frame DSLR ultra-wide, the \u003cstrong\u003e12-24mm F4.5-5.6 EX DG\u003c\/strong\u003e, SIGMA has continually refined and re-engineered its wide-angle offerings.\u003c\/p\u003e\n\u003cp\u003eThe current \u003cstrong\u003e12-24mm F4 DG HSM | Art\u003c\/strong\u003e is the result of over 40 years of optical innovation, combining advanced glass elements, an ultra-precise build, and cutting-edge autofocus for truly next-level image quality.\u003c\/p\u003e\n\u003ch3\u003eOutstanding Optical Performance\u003c\/h3\u003e\n\u003cp\u003eThe SIGMA 12-24mm F4 Art delivers uncompromising image quality across the zoom range. The optical design includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFLD (“F” Low Dispersion) elements\u003c\/strong\u003e – with performance comparable to fluorite, reducing chromatic aberrations and colour fringing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e80mm large-diameter moulded glass aspherical element\u003c\/strong\u003e – the largest in its class, suppressing distortion and coma\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuper Multi-Layer Coating\u003c\/strong\u003e – minimises flare and ghosting for clarity and contrast, even in strong backlighting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e16 elements in 11 groups\u003c\/strong\u003e – for consistent sharpness from centre to edge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is beautifully rendered images with excellent control over optical flaws, ideal for \u003cstrong\u003earchitecture, interiors, landscapes\u003c\/strong\u003e, and any subject that demands precision and clarity.\u003c\/p\u003e\n\u003ch3\u003eFast and Reliable Autofocus with Hyper Sonic Motor\u003c\/h3\u003e\n\u003cp\u003eThe lens is equipped with an upgraded \u003cstrong\u003eHyper Sonic Motor (HSM)\u003c\/strong\u003e that delivers \u003cstrong\u003e1.3× more torque\u003c\/strong\u003e than its predecessor, enabling faster and more accurate autofocus performance. Whether tracking moving subjects or switching focus points, the system is optimised for stability, even at low speeds. Full-time manual override is also available for instant fine-tuning.\u003c\/p\u003e\n\u003ch3\u003eDesigned for Practical Use in the Real World\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDust- and splash-resistant construction\u003c\/strong\u003e with rubber sealing at the lens mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWater- and oil-repellent coatings\u003c\/strong\u003e on the front and rear elements for easy cleaning and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated petal-type lens hood\u003c\/strong\u003e helps block stray light and protects the front element\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermally Stable Composite (TSC) materials\u003c\/strong\u003e ensure consistent performance in changing temperatures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRounded 9-blade diaphragm\u003c\/strong\u003e enhances background separation and smooth bokeh when shooting close-ups at wide apertures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMade to Create – The Art Line Standard\u003c\/h3\u003e\n\u003cp\u003ePart of SIGMA’s prestigious \u003cstrong\u003eArt line\u003c\/strong\u003e, the 12-24mm F4 is designed with an emphasis on \u003cstrong\u003eoptical excellence and artistic expression\u003c\/strong\u003e. It’s built for photographers who need the highest image quality in both controlled studio environments and dynamic outdoor conditions.\u003c\/p\u003e\n\u003cp\u003eFrom formal architectural compositions to dramatic skies and abstract perspectives, this lens helps turn technical precision into creative impact.\u003c\/p\u003e\n\u003ch2\u003eKey Features: SIGMA 12-24mm F4 DG HSM | Art for Canon EF\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLens Mount:\u003c\/strong\u003e Canon EF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFormat Coverage:\u003c\/strong\u003e Full-frame\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal Length:\u003c\/strong\u003e 12–24mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Aperture:\u003c\/strong\u003e F4 constant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Aperture:\u003c\/strong\u003e F22\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLens Construction:\u003c\/strong\u003e 16 elements in 11 groups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiaphragm Blades:\u003c\/strong\u003e 9 (rounded)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Focusing Distance:\u003c\/strong\u003e 24 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Magnification:\u003c\/strong\u003e 0.2×\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAutofocus System:\u003c\/strong\u003e Hyper Sonic Motor with full-time manual override\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eImage Stabilisation:\u003c\/strong\u003e Not included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDust \u0026amp; Splash Resistance:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFilter Thread:\u003c\/strong\u003e Not supported (bulbous front element)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 102 x 131.5 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 1.15 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded Accessories:\u003c\/strong\u003e Front and rear lens caps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptional Accessory:\u003c\/strong\u003e SIGMA USB Dock (for firmware updates and customisation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose the SIGMA 12-24mm F4 Art Lens?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSuperior image quality across the frame with minimal distortion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClass-leading optical design with large-diameter aspherical elements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConstant F4 aperture for consistent exposure across the zoom range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt for professionals: durable, weather-resistant, and highly reliable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for real estate, architecture, landscapes, interiors, and creative perspectives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMade in Japan with SIGMA’s renowned precision and craftsmanship\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePush past the boundaries of perspective with the SIGMA 12-24mm F4 DG HSM | Art—a lens built for bold expression and precise execution. Available now for Canon EF mount.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":42290175967329,"sku":"205954","price":1049.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0554\/9657\/3025\/products\/71mbggfi_ql._sl1350__2.jpg?v=1692155740","url":"https:\/\/carmarcameras.mom\/products\/refurbished-sigma-12-24mm-f4-dg-hsm-a-canon-ef","provider":"Carmarthen Camera Centre","version":"1.0","type":"link"}