{"product_id":"sigma-cpl-21-water-resistant-circular-polarizer-filter","title":"Sigma CPL-21 Water-Resistant Circular Polarizer Filter","description":"\u003ch2\u003eSigma CPL-21 Water-Resistant Circular Polarizer Filter\u003c\/h2\u003e\n\u003cul class=\"list_OMS5rN7R1Z\"\u003e\n\u003cli\u003eWR Circular Polariser Filter\u003c\/li\u003e\n\u003cli\u003eCircular Polarisation for Enhanced Contrast\u003c\/li\u003e\n\u003cli\u003eReduce Unwanted Reflections\u003c\/li\u003e\n\u003cli\u003eAdvanced Water-Repellent and Oil-Resistant Coating\u003c\/li\u003e\n\u003cli\u003eRedesigned Frame for Improved Image Quality\u003c\/li\u003e\n\u003cli\u003eAntistatic Technology\u003c\/li\u003e\n\u003cli\u003eDurable Protective Storage Case\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"listItem_OMS5rN7R1Z\" data-selenium=\"sellingPointsListItem\"\u003eNo Vignetting on Sigma Lenses\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe Sigma Circular Polarising Filter is designed to reduce unwanted reflections from reflective surfaces, helping photographers capture clearer images with enhanced contrast and more vibrant colours. Ideal for landscape photography, this high-quality CPL camera lens filter reduces reflections from water, glass windows and other non-metallic surfaces, allowing greater detail and improved image clarity.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePart of Sigma’s redesigned filter range, this advanced circular polarising filter combines effective polarisation with a water- and oil-repellent coating, antistatic technology and enhanced reflection control. It also helps protect the front element of your lens from dust, dirt and scratches, making it an excellent choice for everyday photography. Verified compatibility with Sigma lenses ensures reliable, vignette-free performance, including with ultra-wide-angle optics.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eRedesigned Frame for Improved Image Quality\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe updated filter features a redesigned frame surface treatment that suppresses internal reflections, helping to minimise their impact on image quality. The larger 95mm and 105mm diameter filters also benefit from an optimised, thinner profile for a more streamlined design.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDespite its slim construction, the filter maintains secure lens cap attachment, providing convenient everyday protection and peace of mind.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVerified Compatibility with Sigma Lenses\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSigma has verified compatibility across its lens range, allowing photographers to shoot with confidence without worrying about vignetting, even when using ultra-wide-angle lenses.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDesigned to maintain consistent optical performance, the filter provides dependable lens protection while helping photographers achieve the best possible results from their Sigma lenses.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCircular Polarisation for Enhanced Contrast\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe Sigma Circular Polarising (CPL) Filter reduces reflections from water, glass windows and other reflective surfaces, helping to reveal detail that might otherwise be obscured by glare. By controlling reflected light, it also enhances contrast and colour saturation, making skies appear deeper blue and foliage more vibrant.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eParticularly useful for landscape photography, this filter helps produce clearer, more defined images in challenging lighting conditions. Its circular polarising design makes it suitable for use with modern camera systems.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvanced Water-Repellent and Oil-Resistant Coating\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSigma’s water-repellent (WR) coating reflects just 0.24% of visible light, helping to minimise unwanted flare and ghosting while maintaining image clarity and contrast.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe advanced coating repels both water and oil, allowing water droplets to bead and roll off the surface while making fingerprints and smudges easier to remove with a quick wipe. Its high-lubricity surface also provides more than ten times the scratch-preventing capability of Sigma’s previous Super Multi-Layer Coating, according to Sigma.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAntistatic Technology\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe integrated antistatic coating helps prevent dust and other airborne particles from adhering to the filter surface. Any dust that does settle can be removed more easily, helping to keep the filter clean and ready for use.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCombined with the water- and oil-repellent properties, this technology makes the Sigma Circular Polarising Filter particularly practical for outdoor photography and everyday shooting.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDurable Protective Storage Case\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe Sigma Circular Polarising Filter is supplied with a specially designed storage case made from durable, flexible acrylic. The integrated outer case and inner filter holder are engineered for long-lasting use, helping to minimise deterioration over time.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eIts robust construction and secure closure help prevent accidental opening, keeping the filter safely protected when it is not attached to your lens.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMade in Japan\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eEvery Sigma filter is manufactured entirely in Japan, with all production processes carried out to Sigma’s exacting standards of quality and precision.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"heading_x_UAyb_60g\" data-selenium=\"includesInTheBoxTitle\"\u003eItems Included\u003c\/h3\u003e\n\u003cul class=\"list__cXkStmX9s\" data-selenium=\"includesInTheBoxList\"\u003e\n\u003cli class=\"item_u6ujeLWy3W\" data-selenium=\"includesInTheBoxItem\"\u003e\n\u003csvg class=\"bhIcon icon_u6ujeLWy3W\" height=\"16\" width=\"16\" stroke-width=\"1.4\"\u003e\u003cuse href=\"#RoundedCheckIcon\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003cspan\u003eSigma CPL-21 Water-Resistant Circular Polarizer Filter\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIGMA","offers":[{"title":"67mm","offer_id":68140107759848,"sku":"AFE9C1","price":120.0,"currency_code":"GBP","in_stock":true},{"title":"77mm","offer_id":68140107792616,"sku":"AFG9C1","price":139.0,"currency_code":"GBP","in_stock":true},{"title":"82mm","offer_id":68140107825384,"sku":"AFH9C1","price":149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/0822\/9022\/files\/SigmaCPL-21Water-ResistantCircularPolarizerFilter.jpg?v=1794043500","url":"https:\/\/carlos.gi\/products\/sigma-cpl-21-water-resistant-circular-polarizer-filter","provider":"Carlos","version":"1.0","type":"link"}