Fringe Killer Filter
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Baader Planetarium Moon and Skyglow Filter - 2" FMS-2
Sale Price: $114.95  |
DescriptionThe Baader Planetarium Moon & Skyglow (Neodymium) filter brings an entirely unique approach to planetary contrast enhancement and light pollution reduction. Based on earlier research at Carl Zeiss, Baader has developed a new filter that uses Neodymium glass which filters out a few specific wavelengths from streetlights as well as skyglow from the Moon. The unique spectral characteristics of Neodymium also boost color contrasts by isolating the Red, Green, and Blue regions (so-called RGB enhancement). The result is a filter that leaves natural colors mostly intact, but significantly enhanced.Planetary and Lunar views are improved in all scopes, reflectors, refractors (APO or Achro). Jupiter's Great Red Spot and ruddy hues of the bands are noticeably enhanced, and contrast of Martian surface features significantly boosted. The Background sky is darkened, and subtle details improved. The filter's high efficiency preserves image brightness, and many Galaxies, Nebulae and Globular Star Clusters are improved due to the reduction of skyglow from artificial lighting.The high quality of Baader Planetarium filters permits stacking with no image degradation. Achromat owners will find the combination of Moon & Skyglow and the new Fringe Killer filter to be ideal for planetary viewing. The high light throughput and natural coloration will make achromats perform more like an apochromat. An integrated version is also now available, the Semi-APO filter.The filter substrate is a special custom melt of Neodymium doped glass, designed for specific transmission characteristics, and made only for Baader Planetarium. In addition to it's unique spectral characteristics, unlike most filters, the Baader Moon & Skyglow surfaces are optically polished to deliver the best possible image sharpness and contrast.The images below demonstrate the large contrast improvement on Mars. The image on the |
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Baader Planetarium Moon and Skyglow Filter - 2" FMS-2
Sale Price: $114.95 |
DescriptionThe Baader Planetarium Moon & Skyglow (Neodymium) filter brings an entirely unique approach to planetary contrast enhancement and light pollution reduction. Based on earlier research at Carl Zeiss, Baader has developed a new filter that uses Neodymium glass which filters out a few specific wavelengths from streetlights as well as skyglow from the Moon. The unique spectral characteristics of Neodymium also boost color contrasts by isolating the Red, Green, and Blue regions (so-called RGB enhancement). The result is a filter that leaves natural colors mostly intact, but significantly enhanced.Planetary and Lunar views are improved in all scopes, reflectors, refractors (APO or Achro). Jupiter's Great Red Spot and ruddy hues of the bands are noticeably enhanced, and contrast of Martian surface features significantly boosted. The Background sky is darkened, and subtle details improved. The filter's high efficiency preserves image brightness, and many Galaxies, Nebulae and Globular Star Clusters are improved due to the reduction of skyglow from artificial lighting.The high quality of Baader Planetarium filters permits stacking with no image degradation. Achromat owners will find the combination of Moon & Skyglow and the new Fringe Killer filter to be ideal for planetary viewing. The high light throughput and natural coloration will make achromats perform more like an apochromat. An integrated version is also now available, the Semi-APO filter.The filter substrate is a special custom melt of Neodymium doped glass, designed for specific transmission characteristics, and made only for Baader Planetarium. In addition to it's unique spectral characteristics, unlike most filters, the Baader Moon & Skyglow surfaces are optically polished to deliver the best possible image sharpness and contrast.The images below demonstrate the large contrast improvement on Mars. The image on the |
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Baader Planetarium Semi APO Filter 1.25" FSAPO-1
Sale Price: $92.00 |
DescriptionBaader Planetarium Semi APO Filter 1.25"The Baader Semi APO filter is a truly innovative product unique to Baader Planetarium. Founded by combining properties from two of their most popular filters the Baader Planetarium Semi APO Filter is a truly effective tool in fighting false color.Baader's newest addition for Achromat owners. The Semi-APO works like it's name implies - delivering an amazingly neutral view, while cutting most of the annoying and contrast-robbing violet fringe that plagues all achromats. The Semi-APO filter combines a stronger Fringe Killer coating formula with the Moon & Skyglow Neodymium substrate. The result is similar performance to the Fringe Killer + Moon & Skyglow combination, but with a slightly stronger violet cut - and at an even greater value.The Semi-APO filter benefits from all the host of world-class Baader filter attributes. The Semi-APO filter is truly the world's most advanced 'minus-violet' type filter in every regard. It's high efficiency and neutral coloration make it practically disappear in use - while making most of the violet fringe disappear! The effects on sharpness, contrast, and aesthetics are remarkable, even with small refractors. The RGB enhancement of the Neodymium substrate actually boosts color contrasts, particularly for Jupiter and Mars.As a side benefit, the Semi-APO filter has also proven to be the best Mars filter we've used - with ALL Telescopes, including large Dobsonians, SCTs, and Apochromats. The unique properties that result from the combination of the Fringe Killer's blue wavelength attenuation (attenuation - not total elimination), plus the selective Neodymium RGB passbands, result in a significant contrast enhancement of Martian features. The image retains its natural coloration and brightness, and the optically polished surfaces maintain every bit of the image sharpness, unlike other manufacturer's fi Features
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Baader Planetarium Fringe-Killer Filter, 1.25" Eyepiece
Sale Price: $73.00 |
DescriptionThe Baader Planetarium FFK-1 Fringe-Killer Filter provides the brightest image of all color-correcting filters currently on the market. The Baader Fringe-Killer Filter minimizes unwanted blue fringing, comparable to a Minus-Violet-Filter, while retaining a very pleasing color balance. This is only made possible by applying modern DWDM plasma-assisted coating technology, allowing almost a hundred coating layers to be accumulated onto a planoptically polished substrate without destroying the optical figure. This fine optical tool will help a small refractor achieve the magnification advertised on the box. Performance rivals that of the most expensive color correcting lens systems, costing 20 times more.The coatings required to accomplish this innovative filtration are exceedingly complex, requiring almost 50 layers per side, using the latest DWDM Plasma assisted coating process. The Fringe Killer has perhaps the most complex coating ever achieved on an amateur astronomical filter. The Fringe Killer is the perfect compliment to the Baader Contrast Booster. The Contrast Booster is an aggressive filter, designed to deliver the maximum sharpness and contrast possible from an achromat. The result is complete removal of the violet haze, with a somewhat dimmer and yellowier image. The Contrast Booster also incorporates additional RGB filtration for further enhancing color contrasts. Digital Imagers (CCD, DigiCam and webcam) will find the Fringe Killer to be the ultima Features
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