{"product_id":"baader-filtro-clear-vetro-neutro","title":"Baader Clear Filter (clear glass)","description":"\u003cp\u003e\u003cstrong\u003eThe Baader Clear Filter\u003c\/strong\u003e is a clear glass (with no coloured optical coating) used for focusing when using very narrow band filters, which make the image too dim for easy focusing.\u003c\/p\u003e\u003ch2\u003eWhat it's for\u003c\/h2\u003e\u003cp\u003eNarrowband filters, especially very narrow ones, drastically reduce image brightness, making precise focusing difficult. The Baader Clear Filter, having the same mechanical thickness as Baader's coloured and narrowband filters, allows comfortable focusing with a bright image; once focus is achieved, the filter can be removed and replaced with the desired imaging filter without needing to refocus (parfocality).\u003c\/p\u003e\u003cp\u003eIt can also simply be used as a dust protection cap for the optical train or eyepiece holder when not imaging.\u003c\/p\u003e\u003ch2\u003eAvailable formats\u003c\/h2\u003e\u003cp\u003eAvailable in 8 formats to fit any configuration: 1¼\" (31.8mm), 2\" (50.8mm), 31mm, 36mm, 50.4mm, 50×50mm, 65×65mm, and the unmounted FCCT 2\" version (Ø47.4mm) for 3D-printed filter holders.\u003c\/p\u003e\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eClear glass (Clear\/Clearglass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell\u003c\/td\u003e\n\u003ctd\u003eAluminium (except unmounted FCCT version)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter thickness\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBaader Planetarium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWho it's for\u003c\/h2\u003e\u003cp\u003eEssential for anyone using narrowband filters who needs a fast and reliable way to focus before mounting the final imaging filter, or simply to protect the optical train from dust when not in use.\u003c\/p\u003e","brand":"Baader-Planetarium","offers":[{"title":"1¼\" (31,8mm)","offer_id":57966768193867,"sku":"BRBP2458415","price":43.0,"currency_code":"EUR","in_stock":true},{"title":"2\" (50,8mm)","offer_id":58163199017291,"sku":"BRBP2458416","price":72.0,"currency_code":"EUR","in_stock":true},{"title":"31mm","offer_id":58163199050059,"sku":"BRBP2458414","price":53.0,"currency_code":"EUR","in_stock":true},{"title":"36mm","offer_id":58163199082827,"sku":"BRBP2459423","price":48.0,"currency_code":"EUR","in_stock":true},{"title":"50,4mm","offer_id":58163199115595,"sku":"BRBP2458420","price":83.0,"currency_code":"EUR","in_stock":true},{"title":"50x50mm","offer_id":58163199148363,"sku":"BRBP2458421","price":96.0,"currency_code":"EUR","in_stock":true},{"title":"65x65mm","offer_id":58163199181131,"sku":"BRBP2459405","price":104.0,"currency_code":"EUR","in_stock":true},{"title":"FCCT 2\" unmounted (Ø47.4mm)","offer_id":58163199213899,"sku":"BRBP2458416U","price":56.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/baader-filtro-clear-114-31-8mm.jpg?v=1787001099","url":"https:\/\/adriasky.it\/en\/products\/baader-clear-filter-clear-glass","provider":"Adriasky","version":"1.0","type":"link"}