{"product_id":"s-mrs-zoom-ring-rf15-30","title":"S-MRS Zoom Ring RF15-30","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\" style=\"text-align: center;\"\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eINON S-MRS Zoom Ring RF15-30\u003c\/strong\u003e is a dedicated magnetic zoom-control accessory designed specifically for the \u003cstrong\u003eCanon RF15-30mm F4.5-6.3 IS STM\u003c\/strong\u003e lens. Installed on the lens and used with the compatible \u003cstrong\u003eINON MRS EXT. Ring 54\u003c\/strong\u003e, it enables smooth underwater zoom operation through INON's \u003cstrong\u003eS-MRS (Smart Magnetic Rotary System)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe S-MRS system transfers rotational movement magnetically between the lens-mounted zoom ring and the control ring inside the MRS extension ring, eliminating the need for conventional mechanical gears. INON designed this system to provide smooth, precise operation with reduced play and rattle, making it ideal for underwater photographers who want reliable focal length adjustment while diving.\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\u003eDesigned for Canon RF15-30mm F4.5-6.3 IS STM\u003c\/strong\u003e\u003cbr\u003ePurpose-built specifically for the zoom ring of the Canon RF15-30mm F4.5-6.3 IS STM lens.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Zoom Operation\u003c\/strong\u003e\u003cbr\u003eUses INON's S-MRS magnetic coupling system to transfer zoom movement without mechanical gears.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with MRS EXT. Ring 54\u003c\/strong\u003e\u003cbr\u003eEngineered exclusively for use with the \u003cstrong\u003eINON MRS EXT. Ring 54\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth \u0026amp; Precise Control\u003c\/strong\u003e\u003cbr\u003eOptimized magnetic attraction helps provide responsive zoom operation while minimizing play and rattle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports Wide-Angle Photography\u003c\/strong\u003e\u003cbr\u003eAllows easy adjustment throughout the lens's 15–30 mm zoom range for reefs, wrecks, large marine life, and scenic underwater compositions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine INON Quality\u003c\/strong\u003e\u003cbr\u003eDesigned and manufactured by INON for precise fit and dependable underwater performance.\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 photographers\u003c\/li\u003e\n\u003cli\u003eUnderwater videographers\u003c\/li\u003e\n\u003cli\u003eCanon RF15-30mm F4.5-6.3 IS STM users\u003c\/li\u003e\n\u003cli\u003eOwners of compatible INON X-2 underwater housings\u003c\/li\u003e\n\u003cli\u003ePhotographers using the INON MRS EXT. Ring 54 system\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\u003eINON S-MRS Zoom Ring RF15-30\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: Magnetic Zoom Control Ring\u003c\/li\u003e\n\u003cli\u003eCompatible Lens: Canon RF15-30mm F4.5-6.3 IS STM\u003c\/li\u003e\n\u003cli\u003eControlled Function: Zoom\u003c\/li\u003e\n\u003cli\u003eCompatible Extension Ring: INON MRS EXT. Ring 54\u003c\/li\u003e\n\u003cli\u003eControl Method: S-MRS magnetic rotary coupling\u003c\/li\u003e\n\u003cli\u003eWeight in Air: 20 g (0.7 oz.)\u003c\/li\u003e\n\u003cli\u003eCompatibility: Designed for compatible INON X-2 housing and port configurations using the Canon RF15-30mm F4.5-6.3 IS STM\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 does the S-MRS Zoom Ring RF15-30 do?\u003c\/strong\u003e\u003cbr\u003eIt allows underwater operation of the \u003cstrong\u003ezoom ring\u003c\/strong\u003e on the Canon RF15-30mm F4.5-6.3 IS STM through INON's S-MRS magnetic control system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich extension ring is it compatible with?\u003c\/strong\u003e\u003cbr\u003eIt is designed specifically for the \u003cstrong\u003eINON MRS EXT. Ring 54\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this control focus?\u003c\/strong\u003e\u003cbr\u003eNo. This accessory controls \u003cstrong\u003ezoom only\u003c\/strong\u003e. Focus\/control-ring operation requires the separate \u003cstrong\u003eINON S-MRS Focus Ring RF15-30\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it with another Canon RF lens?\u003c\/strong\u003e\u003cbr\u003eNo. It is specifically designed for the \u003cstrong\u003eCanon RF15-30mm F4.5-6.3 IS STM\u003c\/strong\u003e lens.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this include the extension ring or housing?\u003c\/strong\u003e\u003cbr\u003eNo. This listing includes the \u003cstrong\u003eS-MRS Zoom Ring RF15-30 only\u003c\/strong\u003e. The MRS EXT. Ring 54, housing, port, camera, and lens are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine INON product?\u003c\/strong\u003e\u003cbr\u003eYes. The S-MRS Zoom Ring RF15-30 is an authentic INON accessory designed for compatible S-MRS underwater housing configurations.\u003c\/p\u003e","brand":"INON","offers":[{"title":"Default Title","offer_id":59709772038430,"sku":"IN-4570018120688","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6712\/8094\/files\/s-mrs_zoom_ring_rf15-30.jpg?v=1785258512","url":"https:\/\/mozaikunderwater.com\/products\/s-mrs-zoom-ring-rf15-30","provider":"Mozaik Underwater","version":"1.0","type":"link"}