{"product_id":"baader-astrosolar-clearwhite-safety-film-od-5-1-117x117cm","title":"Baader AstroSolar ClearWhite Safety Film OD 5.1, Giant Size 117 x 117 cm","description":"\u003cp\u003eBaader AstroSolar ClearWhite Safety Film OD 5.1 is a giant-size 117 x 117 cm white-light solar filter film for making front-mounted filters for larger telescopes, binoculars, spotting scopes and camera lenses. With OD 5.1 optical density, it reduces sunlight by more than 99.999% and produces a clear white solar image with high sharpness and contrast when correctly mounted and used.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/2422004_Astrosolar-Clearwhite-117_main_98e4758a-097d-4200-8de9-6b5e41a8c838.jpg?v=1783425066\" alt=\"AstroSolar Clear White Giant Size roll-up solar panel backsheet, shown partially unrolled with its kraft paper core visible, accompanied by two instruction sheets on a white background.\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGiant-size 117 x 117 cm sheet for custom solar filter construction\u003c\/li\u003e\n\u003cli\u003eOD 5.1 optical density with approximately 1:125,000 light reduction\u003c\/li\u003e\n\u003cli\u003eSuitable for direct solar observation when used undamaged in a secure holder\u003c\/li\u003e\n\u003cli\u003eFor front-mounted objective filters only; not for eyepiece or rear-mounted use\u003c\/li\u003e\n\u003cli\u003eMeets applicable EN ISO 12312-2:2015 transmittance requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/Astrosolar-Clearwhite_wide.jpg?v=1783424947\" alt=\"AstroSolar iCleanWhite OD 5.1 safety film rolls and a large unrolled sheet on a white background, with dimension callouts for large-size (100 x 50 cm) and giant-size (117 x 117 cm) sizes.\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/s031028_visible.webp?v=1783425396\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"read-more-root-URo\"\u003e\n\u003cdiv class=\"read-more-containerOpened-yJY read-more-container-sMW read-more-containerDefault-GDH overflow-hidden relative\"\u003e\n\u003cdiv class=\"undefined global-readmore-innercontainer\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"row-contained-h3Y row-root-J3v\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"columnGroup-root-fOH pagebuilder-column-group\"\u003e\n\u003cdiv class=\"columnGroup-root-fOH pagebuilder-column-line\"\u003e\n\u003cdiv class=\"column-root-7Tj pagebuilder-column\"\u003e\n\u003ch3 class=\"\"\u003eBaader AstroSolar® ClearWhite Safety Film OD 5.1\u003c\/h3\u003e\n\u003cdiv class=\"text-root-0Rs\" role=\"presentation\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe Baader AstroSolar\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eClearWhite Safety Film OD 5.1 is a high-quality, double-sided metallized solar filter film designed for direct solar observation as well as for constructing front-mounted objective filters for telescopes, binoculars, spotting scopes, and camera lenses.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe film has an optical density of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOD 5.1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand reduces the intensity of sunlight by approximately\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e99.9992%\u003c\/strong\u003e, corresponding to a reduction factor of about\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e125,000\u003c\/strong\u003e. It complies with the applicable transmittance requirements of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEN ISO 12312-2:2015\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003efor filters intended for direct observation of the sun.\u003c\/p\u003e\n\u003cp\u003eCompared to the previous AstroSolar\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eSafety Film OD 5.0, the new ClearWhite version provides an even clearer, whiter solar image along with a slightly higher optical density. Sunspots, granulation, and fine structures of the photosphere can be seen sharply and richly contrasted when used with suitable optical equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"\"\u003eClear white solar image with high optical quality\u003c\/h4\u003e\n\u003cdiv class=\"text-root-0Rs\" role=\"presentation\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003eAstroSolar\u003csup\u003e®\u003cspan\u003e \u003c\/span\u003e\u003c\/sup\u003eClearWhite Safety Film OD 5.1 was developed to provide a particularly neutral, clear white solar image. Undesirable bluish or orange color casts, which may occur with simpler solar filters, are largely avoided.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe film is manufactured from a special streak-free and bubble-free substrate and achieves an optical quality comparable to high-quality plane-parallel glass filters despite a thickness of only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.012 mm\u003c\/strong\u003e. The material is not ordinary “Mylar” and was developed for exceptionally high uniformity and optical purity.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edouble-sided coating\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures especially uniform filter performance and reduces the effect of isolated microscopic irregularities in the metallization. A single layer of AstroSolar\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eClearWhite Safety Film OD 5.1 is sufficient to produce a safe solar filter with excellent image sharpness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column-root-7Tj pagebuilder-column\"\u003e\n\u003cfigure class=\"image-root-6hD\"\u003e\u003cpicture\u003e\u003cimg class=\"image-img-rH-\" srcset=\"\/media\/wysiwyg\/astrosolar-clearwhite-din.jpg?auto=webp\u0026amp;format=pjpg\u0026amp;quality=85 1x\" src=\"https:\/\/www.baader-planetarium.com\/media\/wysiwyg\/astrosolar-clearwhite-din.jpg?auto=webp\u0026amp;format=pjpg\u0026amp;quality=85\" title=\"\" alt=\"\" loading=\"lazy\"\u003e\u003c\/picture\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"row-contained-h3Y row-root-J3v\"\u003e\n\u003cdiv class=\"columnGroup-root-fOH pagebuilder-column-group\"\u003e\n\u003cdiv class=\"columnGroup-root-fOH pagebuilder-column-line\"\u003e\n\u003cdiv class=\"column-root-7Tj pagebuilder-column\"\u003e\n\u003ch3 class=\"\"\u003eFor direct solar observation and front-mounted objective filters\u003c\/h3\u003e\n\u003cdiv class=\"text-root-0Rs\" role=\"presentation\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003eAstroSolar\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eClearWhite Safety Film OD 5.1 can be used for direct solar observation with the naked eye when handled correctly. This requires that the film is undamaged and used in a suitable, light-tight, and securely mounted holder.\u003c\/p\u003e\n\u003cp\u003eFor telescopes, binoculars, spotting scopes, and camera lenses, the film must only be used as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efront-mounted objective\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efilter. The filter must be positioned in front of the optical entrance aperture, securely cover the entire opening, and be protected against slipping, loosening, or being lifted by wind.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"\"\u003eVisual and Photographic Use\u003c\/h4\u003e\n\u003cdiv class=\"text-root-0Rs\" role=\"presentation\"\u003e\n\u003cp\u003eThe AstroSolar\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eClearWhite Safety Film OD 5.1 is equally suitable for photography and visual observation. With the focal ratios of typical telescopes and camera lenses, exposure times are short enough to capture sharp images of the sun in single exposures or to perform lucky imaging. This is perfect for observing and photographing the sun under normal conditions as well as during the partial phases of solar eclipses.\u003c\/p\u003e\n\u003cp\u003eYou also do not need to worry when looking through a camera viewfinder, as this can be done safely when the filter is correctly installed in front of the optical system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"text-root-0Rs important-note\" role=\"presentation\"\u003e\n\u003cp\u003e\u003cstrong\u003eNever use solar filters at the eyepiece, behind the objective lens, at the focal point, or anywhere other than the front end of the optical system. Furthermore, never look through a telescope, binoculars, spotting scope, or camera while wearing eclipse glasses or using a handheld solar film filter.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column-root-7Tj pagebuilder-column\"\u003e\n\u003cfigure class=\"image-root-6hD\"\u003e\u003cbr\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"row-contained-h3Y row-root-J3v\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"columnGroup-root-fOH pagebuilder-column-group\"\u003e\n\u003cdiv class=\"columnGroup-root-fOH pagebuilder-column-line\"\u003e\n\u003cdiv class=\"column-root-7Tj pagebuilder-column\"\u003e\n\u003ch3 class=\"\"\u003eConstruction of custom solar filters\u003c\/h3\u003e\n\u003cdiv class=\"text-root-0Rs\" role=\"presentation\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003eHigh-quality solar filters for telescopes, binoculars, spotting scopes, and camera lenses can be made from AstroSolar\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eClearWhite Safety Film OD 5.1 in just a few simple steps.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eDetailed assembly instructions and safety information are included with every sheet of film. They are also available for download on this website. Stress-free mounting is essential: the film must not be stretched tight or pulled under tension. It should be mounted wrinkle-free, but without mechanical stress, in order to preserve its high optical quality. The film may sit slightly wavy or somewhat loose in the holder without negatively affecting optical performance.\u003c\/p\u003e\n\u003cp\u003eInspect both the film and the holder before each use. Do not use the film if it shows tears, holes, creases, major scratches, delamination, loose areas, or extensive wipe or abrasion marks. Damaged film must not be repaired and must be replaced immediately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column-root-7Tj pagebuilder-column\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"row-contained-h3Y row-root-J3v\"\u003e\n\u003cdiv class=\"columnGroup-root-fOH pagebuilder-column-group\"\u003e\n\u003cdiv class=\"columnGroup-root-fOH pagebuilder-column-line\"\u003e\n\u003cdiv class=\"column-root-7Tj pagebuilder-column\"\u003e\n\u003ch3 class=\"\"\u003eSafety instructions for solar observation\u003c\/h3\u003e\n\u003cdiv class=\"text-root-0Rs\" role=\"presentation\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003eNever look directly at the sun without a suitable and undamaged solar filter. Ordinary sunglasses, emergency blankets, CDs, photographic neutral density filters, or other untested materials are not suitable for visual solar observation, as they may transmit dangerous portions of invisible radiation that are not directly visible but can still cause permanent eye damage.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eA safe solar filter is also required during a partial or annular solar eclipse. Only during the brief phase of complete totality in a total solar eclipse — when the sun’s photosphere is entirely covered by the moon — may the solar corona be observed without a filter. As soon as any part of the solar disk becomes visible again, an appropriate solar filter must be used at all times.\u003c\/p\u003e\n\u003cp\u003eChildren may only use solar filters under adult supervision. Never leave solar filters, eclipse glasses, handheld viewers, solar telescopes, binoculars, or cameras unattended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"columnGroup-root-fOH pagebuilder-column-line\"\u003e\n\u003cdiv class=\"column-root-7Tj pagebuilder-column\"\u003e\n\u003cfigure class=\"image-root-6hD\"\u003e\u003cpicture\u003e\u003cimg class=\"image-img-rH-\" srcset=\"\/media\/wysiwyg\/astrosolar-clearwhite-gallery-1.jpg?auto=webp\u0026amp;format=pjpg\u0026amp;quality=85 1x\" src=\"https:\/\/www.baader-planetarium.com\/media\/wysiwyg\/astrosolar-clearwhite-gallery-1.jpg?auto=webp\u0026amp;format=pjpg\u0026amp;quality=85\" title=\"\" alt=\"\" loading=\"lazy\"\u003e\u003c\/picture\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Baader","offers":[{"title":"Default Title","offer_id":55598139343224,"sku":"2422004","price":365.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/2422004_Astrosolar-Clearwhite-117_main.jpg?v=1783424948","url":"https:\/\/www.darkclearskies.co.uk\/products\/baader-astrosolar-clearwhite-safety-film-od-5-1-117x117cm","provider":"Dark Clear Skies ","version":"1.0","type":"link"}