{"product_id":"urth-77mm-magnetic-infra-red-r72-filter-plus","title":"Urth 77mm Magnetic Infra-Red (R72) Filter Plus+","description":"\u003ch2\u003eUrth 77mm Magnetic Infra-Red (R72) Filter Plus+ | Explore intentional infrared photography\u003c\/h2\u003e\n\u003cp\u003eFor photographs with an infrared look, the Urth 77mm Magnetic Infra-Red (R72) Filter Plus+ is a specialist filter for photographers who want to explore that distinct approach to image-making. Its R72 designation identifies the infrared filter type, while the 77mm size tells you which lens front it’s made to fit: you’ll need a lens with a matching 77mm filter thread. The magnetic attachment makes this a practical option if you want to put the filter on or take it off as you move between ordinary and infrared-focused shooting. It’s best suited to deliberate experiments and projects where infrared is the point, rather than as an everyday filter you leave in place. If you’re building a setup around a compatible lens, this gives you a specific way to pursue infrared photographs without guessing from a general-purpose filter name.\u003c\/p\u003e\n\u003ch3\u003eChoosing it for your setup\u003c\/h3\u003e\n\u003cp\u003eStart with the front of your lens: the 77mm measurement is the key fit detail. Then consider how often you’ll switch between this filter and your usual setup. The magnetic design is relevant if you expect to change filters during a session; the R72 designation makes clear that this is for an infrared-focused approach, not a general-purpose filter.\u003c\/p\u003e\n\u003cdiv class=\"specialist-note\"\u003e\n\u003ch3\u003eSpecialist Note\u003c\/h3\u003e\n\u003cp\u003eThe magnetic attachment is the detail that changes how you work: it’s meant for fitting and removing the filter without treating it like a permanent part of the lens setup. The 77mm size is equally important in practice, because it only suits a lens with a matching 77mm filter thread. I’d point this toward someone planning infrared images on purpose—perhaps a landscape study or an architectural series—rather than someone after an everyday filter. The R72 marking gives you a clear, specific infrared direction to work with. One honest point: this is a specialist filter, so its appeal depends on wanting that particular kind of image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 77mm\u003c\/li\u003e\n\u003cli\u003eAttachment: Magnetic\u003c\/li\u003e\n\u003cli\u003eFilter type: Infra-Red (R72)\u003c\/li\u003e\n\u003cli\u003eProduct line: Plus+\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Urth","offers":[{"title":"Default Title","offer_id":57492258029908,"sku":"D309521","price":81.67,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2493\/3716\/files\/D309521_01.jpg?v=1791544734","url":"https:\/\/www.htf-store.com\/zh\/products\/urth-77mm-magnetic-infra-red-r72-filter-plus","provider":"Hard to Find Camera Store","version":"1.0","type":"link"}