{"product_id":"143mm-clamp-on-rings","title":"143mm Clamp Ring","description":"\u003cp\u003eMinimise light leakage with our high-grade clamp ring: measuring 143mm with an internal donut hole between 80mm and 136mm. Made from top-quality Delrin plastic, these rings are designed to accommodate a wide range of lens brands. The Z-cut design ensures a tight hold no matter the circumstances, and the seal promises no light leaks. Compatible with our Misfit range of matte boxes as well as other third-party accessories, the \u003ca href=\"https:\/\/brighttangerine.com\/product-category\/matte-boxes\/donuts-clamp-on-rings\/\" target=\"_blank\" rel=\"noopener\"\u003eclamp ring range\u003c\/a\u003e of accessories are extremely useful tools for filmmakers.\u003c\/p\u003e\n\u003cp class=\"productcopy-sub\"\u003eDelrin Construction\u003c\/p\u003e\n\u003cp class=\"productcopy\"\u003eRather than using plastic injection moulding, we choose to construct our rings from high-grade Delrin. This ensures dimensional accuracy and maximum clamping force, while retaining a light weight on the front of your camera.\u003c\/p\u003e\n\u003cp class=\"productcopy-sub\"\u003eTightly Clamped\u003c\/p\u003e\n\u003cp class=\"productcopy\"\u003eTo protect the image from light leaks, all of our clamp-on rings feature our Z-cut design. This allows the ring to clamp tightly onto the lens with uniform pressure: ensuring a steady hold on your matte box.\u003c\/p\u003e\n\u003cp class=\"productcopy-sub\"\u003eLight-Sealed\u003c\/p\u003e\n\u003cp class=\"productcopy\"\u003eThe rings tightly lock the matte box in place, ensuring no light leaks escape around the edges of the lens.\u003c\/p\u003e\n\u003cp class=\"productcopy-sub\"\u003ePart of the Clamp-On Ring System\u003c\/p\u003e\n\u003cp class=\"productcopy\"\u003eOur clamp-on rings are ideal for resizing the end of your lens for matte boxes and other accessories. For adjusting a variety of lenses to a variety of sizes, there are a number of alternate ring clamp sizes available:\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/brighttangerine.com\/store\/114mm-clamp-on-rings\/\" target=\"_blank\" rel=\"noopener\"\u003e114mm Clamp-On Rings\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/brighttangerine.com\/store\/162mm-clamp-on-rings\/\" target=\"_blank\" rel=\"noopener\"\u003e162mm Clamp-On Rings\u003c\/a\u003e\u003c\/p\u003e","brand":"Bright Tangerine","offers":[{"title":"143 - 80mm","offer_id":56120461951302,"sku":"B1250.1056","price":79.0,"currency_code":"USD","in_stock":true},{"title":"143 - 87mm","offer_id":56120462115142,"sku":"B1250.1055","price":79.0,"currency_code":"USD","in_stock":true},{"title":"143 - 85mm","offer_id":56120461984070,"sku":"B1250.1075","price":79.0,"currency_code":"USD","in_stock":true},{"title":"143 - 136mm","offer_id":56120462147910,"sku":"B1250.1041","price":79.0,"currency_code":"USD","in_stock":true},{"title":"143 - 95mm","offer_id":56120462016838,"sku":"B1250.1054","price":79.0,"currency_code":"USD","in_stock":true},{"title":"143 - 100mm","offer_id":56120462180678,"sku":"B1250.1068","price":79.0,"currency_code":"USD","in_stock":true},{"title":"143 - 114mm","offer_id":56120462049606,"sku":"B1250.1051","price":79.0,"currency_code":"USD","in_stock":true},{"title":"143 - 120mm","offer_id":56120462213446,"sku":"B1250.1044","price":79.0,"currency_code":"USD","in_stock":true},{"title":"143 - 134mm","offer_id":56120462082374,"sku":"B1250.1042","price":79.0,"currency_code":"USD","in_stock":true},{"title":"143 - 125mm","offer_id":56120462246214,"sku":"B1250.1043","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/1200\/4678\/files\/114mm-clamp-on-rings_web_6ff4de22-662e-491a-b4c3-7c6ad4ab1416.png?v=1772888285","url":"https:\/\/brighttangerine.com\/products\/143mm-clamp-on-rings","provider":"Bright Tangerine","version":"1.0","type":"link"}