{"product_id":"alpine-astronomical-blue-470nm-bandpass-filter-1-25","title":"ALPINE ASTRONOMICAL Blue 470nm Bandpass Filter (1.25\")","description":"\u003cul\u003e \u003cli\u003ePlanetary Viewing\/Imaging Filter\u003c\/li\u003e \u003cli\u003e470nm Wavelength Bandpass\u003c\/li\u003e \u003cli\u003e1.25\" Eyepiece Threads\u003c\/li\u003e \u003cli\u003e7-Layer Anti-Reflection Multi-Coated\u003c\/li\u003e \u003cli\u003eNo Reflections, Scatter or Image Dimming\u003c\/li\u003e \u003cli\u003ePlaneoptically Polished Optical Glass\u003c\/li\u003e \u003cli\u003e70% Throughput Transmission\u003c\/li\u003e \u003cli\u003eBlackened Aluminum Frame\u003c\/li\u003e \u003cli\u003eStackable with Other Filters\u003c\/li\u003e \u003c\/ul\u003e\u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cp\u003e Centered on the 470nm wavelength, the \u003cb\u003eAlpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter\u003c\/b\u003e can be used by itself or stacked with other filters to enhance your observations when viewing or imaging comets or planets such as Venus, Mars, Jupiter, and Saturn. The optical glass filter is planeoptically polished and treated with seven-layer Phantom Group anti-reflection multi-coatings to improve contrast and clarity while eliminating reflections, scattering, or image dimming. Holding the filter is an black anodized aluminum frame made to fit standard 1.25\" eyepieces and other accessories such as diagonals and Barlows. \u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv\u003e \u003cdl\u003e \u003cdt\u003e Use \u003c\/dt\u003e \u003cdd\u003e \u003cul\u003e \u003cli\u003eFor visual and photographic planetary use\u003c\/li\u003e \u003cli\u003eObserve high clouds on Mars, enhances contrast of hazes on terminator of Mars\u003c\/li\u003e \u003cli\u003eAppears to make reddish structures darker�ideal for observing the Great Red Spot on Jupiter\u003c\/li\u003e \u003cli\u003eShows Saturn rings better\u003c\/li\u003e \u003cli\u003eMonitor the structures in the atmosphere of Venus\u003c\/li\u003e \u003cli\u003eHighlights the fine details in gas tails produced by comets\u003c\/li\u003e \u003cli\u003e70% average transmission bandpass throughput\u003c\/li\u003e \u003c\/ul\u003e \u003c\/dd\u003e \u003c\/dl\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\u003cdiv\u003e \u003cdiv\u003e In the Box \u003c\/div\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003e Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter (1.25\") \u003c\/div\u003e \u003c\/div\u003e \u003cli\u003ePlastic Case\u003c\/li\u003e \u003cli\u003eLimited 2-Year Warranty\u003c\/li\u003e \u003c\/div\u003e \u003c\/div\u003e\u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eSize\u003c\/td\u003e \u003ctd\u003e1.25\"\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFilter Factor\u003c\/td\u003e \u003ctd\u003eBlue, 470nm wavelength\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMulti-Coated\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRotating\u003c\/td\u003e \u003ctd\u003eNo\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eApplication\u003c\/td\u003e \u003ctd\u003eLunar and planetary viewing and imaging\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eConstruction\u003c\/td\u003e \u003ctd\u003eGlass filter, aluminum frame\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFront Filter Thread Size\u003c\/td\u003e \u003ctd\u003e1.25\"\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWeight\u003c\/td\u003e \u003ctd\u003e2.1 oz \/ 59.0 g\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv\u003e\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\u003cbr\u003eAll product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.","brand":"Alpine Astronomical-10","offers":[{"title":"Default Title","offer_id":814473871376,"sku":"ALFCFB1:ALFCFB1:bhpv","price":10370.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/1611\/products\/alpine_astronomical_fcfb_1_blue_470nm_bandpass_filter_1528393031000_1403628.jpg?v=1576005663","url":"https:\/\/www.tanotis.com\/products\/alpine-astronomical-blue-470nm-bandpass-filter-1-25","provider":"Tanotis","version":"1.0","type":"link"}