{"product_id":"ext-ring-81","title":"EXT. Ring 81","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eINON EXT. Ring 81\u003c\/strong\u003e is a dedicated extension ring designed specifically for use with the \u003cstrong\u003eCanon EF 180mm Macro Lens\u003c\/strong\u003e when paired with the \u003cstrong\u003eCanon 2.0× Teleconverter\u003c\/strong\u003e. It provides the precise extension required to correctly position this lens combination within compatible INON underwater port systems, ensuring proper optical alignment and dependable underwater performance.\u003c\/p\u003e\n\u003cp\u003ePrecision-machined from corrosion-resistant aluminum alloy with a durable black anodized finish, the EXT. Ring 81 integrates seamlessly with compatible INON housings and ports. It creates a secure, watertight connection while allowing underwater photographers to configure their system for this specialized super macro setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e This extension ring is specifically intended for the \u003cstrong\u003eCanon EF 180mm Macro Lens used with the Canon 2.0× Teleconverter\u003c\/strong\u003e. Verify compatibility with your housing and port system before purchasing.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose-Built for Canon Super Macro Setup\u003c\/strong\u003e\u003cbr\u003eDesigned specifically for the \u003cstrong\u003eCanon EF 180mm Macro Lens\u003c\/strong\u003e combined with the \u003cstrong\u003eCanon 2.0× Teleconverter\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintains Proper Optical Positioning\u003c\/strong\u003e\u003cbr\u003eProvides the precise extension needed to correctly position the lens and teleconverter combination within compatible INON port systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Machined Construction\u003c\/strong\u003e\u003cbr\u003eManufactured from corrosion-resistant aluminum alloy with a durable black anodized finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Underwater Connection\u003c\/strong\u003e\u003cbr\u003eEngineered to maintain a reliable, watertight seal between compatible housing and port components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless INON System Integration\u003c\/strong\u003e\u003cbr\u003eWorks with compatible INON underwater housings and modular port systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for High-Magnification Macro Photography\u003c\/strong\u003e\u003cbr\u003eSupports proper system configuration for specialized underwater macro imaging with a 2.0× teleconverter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnderwater macro photographers\u003c\/li\u003e\n\u003cli\u003eCanon DSLR users with the EF 180mm Macro Lens\u003c\/li\u003e\n\u003cli\u003ePhotographers using the Canon 2.0× Teleconverter\u003c\/li\u003e\n\u003cli\u003eDivers configuring compatible INON port systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEXT. Ring 81\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Type: Port Extension Ring\u003c\/li\u003e\n\u003cli\u003eCompatibility: Canon EF 180mm Macro Lens with Canon 2.0× Teleconverter\u003c\/li\u003e\n\u003cli\u003eSystem Compatibility: Compatible INON underwater housings and port systems\u003c\/li\u003e\n\u003cli\u003eFunction: Positions the specified lens combination at the correct distance within the port system\u003c\/li\u003e\n\u003cli\u003eConstruction: Corrosion-resistant aluminum alloy with rigid black anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the EXT. Ring 81 designed for?\u003c\/strong\u003e\u003cbr\u003eIt is specifically designed for the \u003cstrong\u003eCanon EF 180mm Macro Lens\u003c\/strong\u003e used together with the \u003cstrong\u003eCanon 2.0× Teleconverter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work with the Canon EF 180mm Macro Lens by itself?\u003c\/strong\u003e\u003cbr\u003eThis extension ring is intended for the lens when used with the \u003cstrong\u003eCanon 2.0× Teleconverter\u003c\/strong\u003e. Other configurations may require a different extension ring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this include the teleconverter, lens, port, or housing?\u003c\/strong\u003e\u003cbr\u003eNo. This listing includes only the \u003cstrong\u003eEXT. Ring 81\u003c\/strong\u003e. The lens, teleconverter, housing, port, camera, and other accessories are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is a dedicated extension ring required?\u003c\/strong\u003e\u003cbr\u003eIt provides the precise spacing needed to maintain the correct optical relationship between the lens combination and the underwater port.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit every INON housing?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on your specific INON housing and port system. Please verify compatibility before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is it made from?\u003c\/strong\u003e\u003cbr\u003eIt is precision-machined from corrosion-resistant aluminum alloy with a durable black anodized finish.\u003c\/p\u003e","brand":"INON","offers":[{"title":"Default Title","offer_id":59712927990046,"sku":"IN-4562121435919","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6712\/8094\/files\/ext81.jpg?v=1785350143","url":"https:\/\/mozaikunderwater.com\/products\/ext-ring-81","provider":"Mozaik Underwater","version":"1.0","type":"link"}