{"product_id":"filtro-polarizzante-variabile-2-explore-scientific","title":"Filtro Polarizzante variabile 2\" Explore Scientific","description":"\u003cp\u003eUniversally usable variable polarizing filter with a  2\" filter thread. This variable polarizing filter allows for a continuous adjustment of the image brightness. This is very helpful to level strong differences in contrast of different observation objects individually. Particularly for lunar and planetary observations but also for solar observations this filter prevents an outshining of details.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaution!\u003c\/strong\u003e Solar observations ONLY together with an adequate solar filter. \u003c\/p\u003e\u003cp\u003eParticularly when a Herschel wedge is used and with large objective lens apertures the use of the variable polarizing filter can reduce the brightness of the observation object to a confortable level. The large adjustment range of 40% to 1% light transmission and the neutral grey filter effect create a comfortable and unadulterated image. The handling is very simple. The desired filtering level is set by turning the two sides of the housing against each other. A 2.0\" filter thread on both sides (female\/male) allow for the simultaneous use of additional colour filters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVariable polarizing filter\u003c\/li\u003e\n\u003cli\u003eIndividually adjustable image brightness\u003c\/li\u003e\n\u003cli\u003eMade from high-quality optical glass\u003c\/li\u003e\n\u003cli\u003eBlack anodized aluminium housing\u003c\/li\u003e\n\u003cli\u003e2.0\" filter thread on both sides\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eThe kit includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePolarizing filter\u003c\/li\u003e\n\u003cli\u003eProtective box\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMarchio\u003c\/td\u003e\n\u003ctd\u003eExplore Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGaranzia\u003c\/td\u003e\n\u003ctd\u003e2 anni\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEAN\u003c\/td\u003e\n\u003ctd\u003e4007922041025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensione confezione (LxPxH)\u003c\/td\u003e\n\u003ctd\u003e16x13x4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeso spedizione\u003c\/td\u003e\n\u003ctd\u003e0.26 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTipo di filtro\u003c\/td\u003e\n\u003ctd\u003elunare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTipo di costruzione\u003c\/td\u003e\n\u003ctd\u003evariabile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMateriale delle ottiche\u003c\/td\u003e\n\u003ctd\u003evetro ottico\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorpo\u003c\/td\u003e\n\u003ctd\u003ealluminio, rivestimento anodizzato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacità di raccolta della luce, %\u003c\/td\u003e\n\u003ctd\u003e1 — 40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiametro del barilotto, in\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilettatura esterna (per l’installazione nell’oculare)\u003c\/td\u003e\n\u003ctd\u003eyes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilettatura interna (per combinare filtri diversi)\u003c\/td\u003e\n\u003ctd\u003eyes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElementi extra\u003c\/td\u003e\n\u003ctd\u003efilettature su entrambi i lati del corpo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCustodia inclusa\u003c\/td\u003e\n\u003ctd\u003eyes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"EXPLORE SCIENTIFIC","offers":[{"title":"Default Title","offer_id":53137435132232,"sku":"LVH-73779","price":95.94,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0447\/9503\/5808\/files\/73779_explore-scientific-filter-variable-polarizing-2_00.jpg?v=1779295784","url":"https:\/\/astrofy.it\/en\/products\/filtro-polarizzante-variabile-2-explore-scientific","provider":"ASTROFY ASTRONOMY STORE","version":"1.0","type":"link"}