{"product_id":"drop-in-filter-holder-rfh-21","title":"DROP IN FILTER HOLDER RFH-21","description":"\u003cp\u003eThe Sigma RFH-21 is a dedicated drop-in filter holder designed for the SIGMA 300-600mm F4 DG OS | Sports lens. It supports commercially available φ40.5mm filters, allowing photographers to customize their setup with a variety of filter types including UV, CPL, and ND filters.\u003cbr\u003e\u003cbr\u003eCompatibility\u003cbr\u003e\u003cbr\u003e\nSIGMA 300-600mm F4 DG OS | Sports\u003cbr\u003e\nAvailable for L-Mount (RFH-21TL) and Sony E-Mount (RFH-21SE)\n\u003cbr\u003e\u003cbr\u003eNote: Each version is mount-specific and cannot be used interchangeably (image shows the L-Mount version).\u003cbr\u003e\n\u003cbr\u003eIncluded in the Package\u003cbr\u003e\u003cbr\u003e\nDrop-In Filter Holder RFH-21\u003cbr\u003e\u003cbr\u003e\nFeatures\u003cbr\u003e\n\u003cbr\u003eUniversal Filter Support:\u003cbr\u003e\n\u003cbr\u003eAccepts standard 40.5mm filters\u003cbr\u003e\nEnables use of WR Circular PL, WR Variable ND, and other compatible filters\u003cbr\u003e\u003cbr\u003e\nMount-Specific Design:\u003cbr\u003e\u003cbr\u003e\nTailored for optimal fit and performance with L-Mount or Sony E-Mount versions of the lens\u003cbr\u003e\nEnsures secure and precise installation\u003cbr\u003e\u003cbr\u003e\nInstallation Notes\u003cbr\u003e\u003cbr\u003e\nRemove the standard filter holder from the lens\u003cbr\u003e\nInsert the RFH-21 until it clicks securely into place\u003cbr\u003e\nTo remove, turn the Fixing Knob counter-clockwise and pull out the holder\u003cbr\u003e\u003cbr\u003eMaterial \u0026amp; Design\u003cbr\u003e\u003cbr\u003e\nHigh-quality construction for professional use\u003cbr\u003e\nLightweight and durable\u003cbr\u003e\nMade in Japan\u003c\/p\u003e","brand":"Sigma Italia","offers":[{"title":"l-mount","offer_id":51506633146706,"sku":null,"price":10.0,"currency_code":"EUR","in_stock":true},{"title":"sony e-mount","offer_id":51506633179474,"sku":null,"price":10.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8782\/9842\/files\/accessories_drop_in_filter_holder_rfh_21.webp?v=1757667860","url":"https:\/\/www.sigma-italia.it\/en\/products\/drop-in-filter-holder-rfh-21","provider":"Sigma Italia","version":"1.0","type":"link"}