{"product_id":"vocas-0250-0196-114-mm-flexible-donut-ring-matte-box-accessory","title":"Vocas 0250-0196 114 mm Flexible Donut Ring Matte Box Accessory","description":"\u003ch2\u003eVocas 0250-0196 114 mm Flexible Donut Ring Matte Box Accessory\u003c\/h2\u003e\n\n\u003cp\u003eThe Vocas 0250-0196 114 mm Flexible Donut Ring is a matte box accessory that closes the opening between a lens and a rail-mounted matte box. Designed for matte boxes with a 114 mm clamp diameter, it accommodates lenses approximately 2.8\" to 3.9\" in outer diameter while helping limit stray light and dust.\u003c\/p\u003e\n\n\u003cp\u003eBuilt for 15 mm rail camera setups, the soft, flexible ring adapts around different compatible lens diameters while maintaining the matte box seal. It suits cinematographers and camera assistants who need a flexible donut ring for matte boxes, a lens-to-matte-box light seal, or a 114 mm matte box accessory for professional camera builds. Its pliable construction also supports efficient lens changes during production.\u003c\/p\u003e\n\n\u003cp\u003eVocas specifies compatibility with any matte box featuring a 114 mm clamp diameter and lists the ring with the MB-260 Compact Mattebox, MB-256 Matte Box, MB-216 Matte Box, and related 15 mm LW kits. Manufacturer item code 0250-0196 and EAN 8720041024040 identify the component, which weighs approximately 0.2 lb.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e114 mm Matte Box Compatibility:\u003c\/strong\u003e Fits matte boxes designed around a 114 mm clamp diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Lens Fit:\u003c\/strong\u003e Accommodates lens outer diameters from approximately 2.8\" to 3.9\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15 mm Rail Application:\u003c\/strong\u003e Seals the space between the lens and matte box in rail-mounted configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight Control:\u003c\/strong\u003e Helps prevent stray light from entering through the space around the lens.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust Protection:\u003c\/strong\u003e Flexible construction helps close the opening where dust could enter the matte box area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft Construction:\u003c\/strong\u003e Highly flexible material adapts around compatible lenses and supports efficient lens changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVocas System Compatibility:\u003c\/strong\u003e Verified for use with MB-260, MB-256, MB-216, and compatible 15 mm LW matte box configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Flexible donut ring \/ matte box accessory\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Vocas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Item Code:\u003c\/strong\u003e 0250-0196\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 0250-0196\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatte Box Clamp Diameter:\u003c\/strong\u003e 4.5\" nominal manufacturer 114 mm standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lens Outer Diameter:\u003c\/strong\u003e Approximately 2.8\" to 3.9\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRail Application:\u003c\/strong\u003e 15 mm rail-mounted matte box setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Soft, highly flexible material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClip-On:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Holder:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.2 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 8720041024040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirmed Vocas Compatibility:\u003c\/strong\u003e MB-260 Compact Mattebox, MB-256 Matte Box, MB-256 15 mm LW kit, MB-216 Matte Box, and MB-216 15 mm LW kit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vocas","offers":[{"title":"Default Title","offer_id":46810555777221,"sku":"VOCA-02500196","price":119.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/1-vocas-0250-0196_f993cf29-162e-4573-a08d-dfc4eb723d37.jpg?v=1787688086","url":"https:\/\/avlgear.com\/products\/vocas-0250-0196-114-mm-flexible-donut-ring-matte-box-accessory","provider":"AVLGEAR","version":"1.0","type":"link"}