{"product_id":"sigma-17-40mm-f-1-8-dc-art-lens-sony-e","title":"Sigma 17-40mm f\/1.8 DC Art Lens (Sony E)","description":"\u003cp data-start=\"239\" data-end=\"458\"\u003e\u003cstrong data-start=\"239\" data-end=\"256\"\u003eItem Includes\u003c\/strong\u003e\u003cbr data-start=\"256\" data-end=\"259\"\u003e• Sigma 17-40mm f\/1.8 DC Art Lens (Sony E)\u003cbr data-start=\"301\" data-end=\"304\"\u003e• Sigma LCF-67 IV 67mm Front Lens Cap\u003cbr data-start=\"341\" data-end=\"344\"\u003e• Sigma LCR III Rear Lens Cap (Sony E)\u003cbr data-start=\"382\" data-end=\"385\"\u003e• Lens Hood\u003cbr data-start=\"396\" data-end=\"399\"\u003e• Carrying Pouch\u003cbr data-start=\"415\" data-end=\"418\"\u003e• Limited 4-Year Manufacturer Warranty\u003c\/p\u003e\n\u003cp data-start=\"460\" data-end=\"899\"\u003e\u003cstrong data-start=\"460\" data-end=\"472\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"472\" data-end=\"475\"\u003eThe \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSigma 17-40mm f\/1.8 DC Art Lens Sony E\u003c\/span\u003e\u003c\/span\u003e is a bright, wide-to-normal zoom designed for APS-C Sony E-Mount mirrorless cameras. With an f\/1.8 aperture maintained throughout the zoom range, it delivers prime-level image quality in a versatile, compact package. Its design makes it well-suited for photography and video, providing smooth background blur, consistent exposure, and minimal focus breathing for seamless footage.\u003c\/p\u003e\n\u003cp data-start=\"901\" data-end=\"1887\"\u003e\u003cstrong data-start=\"901\" data-end=\"913\"\u003eFeatures\u003c\/strong\u003e\u003cbr data-start=\"913\" data-end=\"916\"\u003e• 17-40mm focal range (35mm equivalent: 25.5-60mm) covers wide-angle to normal perspectives\u003cbr data-start=\"1007\" data-end=\"1010\"\u003e• Constant f\/1.8 aperture ensures low-light performance and shallow depth of field\u003cbr data-start=\"1092\" data-end=\"1095\"\u003e• 17 elements in 11 groups with four aspherical and four SLD elements minimize aberrations and flare\u003cbr data-start=\"1195\" data-end=\"1198\"\u003e• 11-blade rounded diaphragm produces smooth bokeh and excellent subject separation\u003cbr data-start=\"1281\" data-end=\"1284\"\u003e• Minimum focus distance of 11\" (28 cm) and maximum magnification of 0.21x (1:4.8) for tight compositions\u003cbr data-start=\"1389\" data-end=\"1392\"\u003e• Video-friendly internal zoom design keeps lens length consistent while zooming\u003cbr data-start=\"1472\" data-end=\"1475\"\u003e• Reduced focus breathing supports smoother video movements\u003cbr data-start=\"1534\" data-end=\"1537\"\u003e• High-speed linear actuator autofocus offers quiet, precise tracking\u003cbr data-start=\"1606\" data-end=\"1609\"\u003e• Manual focus with click-and-lock for controlled adjustments\u003cbr data-start=\"1670\" data-end=\"1673\"\u003e• Two AFL buttons and a focus mode switch for quick control\u003cbr data-start=\"1732\" data-end=\"1735\"\u003e• Water- and oil-repellent front element coating\u003cbr data-start=\"1783\" data-end=\"1786\"\u003e• Dust- and splash-resistant construction\u003cbr data-start=\"1827\" data-end=\"1830\"\u003e• Durable brass bayonet mount for long-term reliability\u003c\/p\u003e\n\u003cp data-start=\"1889\" data-end=\"2453\"\u003e\u003cstrong data-start=\"1889\" data-end=\"1907\"\u003eSpecifications\u003c\/strong\u003e\u003cbr data-start=\"1907\" data-end=\"1910\"\u003e• Focal Length: 17-40mm (35mm Equivalent: 25.5-60mm)\u003cbr data-start=\"1962\" data-end=\"1965\"\u003e• Aperture: f\/1.8 to f\/16\u003cbr data-start=\"1990\" data-end=\"1993\"\u003e• Lens Mount: Sony E\u003cbr data-start=\"2013\" data-end=\"2016\"\u003e• Format Coverage: APS-C\u003cbr data-start=\"2040\" data-end=\"2043\"\u003e• Angle of View: 76.5° to 37.1°\u003cbr data-start=\"2074\" data-end=\"2077\"\u003e• Minimum Focus Distance: 11\" \/ 28 cm\u003cbr data-start=\"2114\" data-end=\"2117\"\u003e• Magnification: 0.21x (1:4.8)\u003cbr data-start=\"2147\" data-end=\"2150\"\u003e• Optical Design: 17 Elements in 11 Groups\u003cbr data-start=\"2192\" data-end=\"2195\"\u003e• Diaphragm Blades: 11, Rounded\u003cbr data-start=\"2226\" data-end=\"2229\"\u003e• Focus Type: Autofocus\u003cbr data-start=\"2252\" data-end=\"2255\"\u003e• Image Stabilization: No\u003cbr data-start=\"2280\" data-end=\"2283\"\u003e• Filter Size: 67 mm (Front)\u003cbr data-start=\"2311\" data-end=\"2314\"\u003e• Dimensions: 2.9 x 4.6\" \/ 72.9 x 115.9 mm\u003cbr data-start=\"2356\" data-end=\"2359\"\u003e• Weight: 19.8 oz \/ 560 g\u003cbr data-start=\"2384\" data-end=\"2387\"\u003e• Package Weight: 2.165 lb\u003cbr data-start=\"2413\" data-end=\"2416\"\u003e• Box Dimensions: 11.4 x 4.9 x 4.7\"\u003c\/p\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":51244638765351,"sku":"214965","price":919.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0877\/0597\/7127\/files\/01_PPhoto_17_40_1.8_dc_025_Lmt.jpg?v=1775504135","url":"https:\/\/cambridgeworld.com\/products\/sigma-17-40mm-f-1-8-dc-art-lens-sony-e","provider":"Cambridge World Inc","version":"1.0","type":"link"}