{"product_id":"filtro-idas-clear-odw-2-pollici","title":"IDAS Clear ODW Filter 2\"","description":"\u003ch2\u003eA neutral piece of glass to keep focus between filters\u003c\/h2\u003e\u003cp\u003eThe IDAS Clear ODW is a transparent, multi-coated full-spectrum filter, designed not to alter incoming light but to occupy the same optical space as other IDAS filters of the same thickness (2.5mm). This lets anyone using a filter wheel or multi-slot drawer switch from a colored or narrowband filter to the Clear ODW without needing to refocus.\u003c\/p\u003e\u003ch3\u003eWhen a filter that does nothing is actually useful\u003c\/h3\u003e\u003cp\u003eThe Clear ODW is useful in several practical situations: as a reference position in a multi-slot filter wheel for full-spectrum (luminance) shots, for optical calibration tests, or simply to keep the optical path constant when alternating between sessions with and without a filter. Being fully transparent across the visible spectrum, it introduces no color alteration whatsoever.\u003c\/p\u003e\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\u003cp\u003eAluminum 2\" ring mount, with a 48mm threaded connection. Transparent glass with a thickness of 2.5mm, parfocal with most other IDAS filters in the same category.\u003c\/p\u003e\u003ch2\u003eWho it's recommended for\u003c\/h2\u003e\u003cp\u003eSuitable for anyone who already owns other 2.5mm-thick IDAS filters and wants a neutral position in their filter wheel, without having to refocus every time they switch filters. Made in Japan by Hutech Corporation under the IDAS brand.\u003c\/p\u003e","brand":"IDAS","offers":[{"title":"Default Title","offer_id":57887870157131,"sku":"ID75295","price":159.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/IDAS-Filtro-Clear-ODW-2.jpg?v=1784290410","url":"https:\/\/adriasky.it\/en\/products\/idas-clear-odw-filter-2-inch","provider":"Adriasky","version":"1.0","type":"link"}