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Offering the brightest image of all colour correcting devices in the industry, makes the Fringe-Killer a must for even the smallest of refracting (lens type) telescope.
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Removes blue fringing as well as RED fringing above 656 nm.
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Breader the intensity of the devastating falls blue colour in completely new way, never ever before manufactured as astronomical filter.
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Forms a " Plateau" of eff. 50% transmission in the ‘blue" spectral region from 450 nm to 480 nm - being much more complete to produce than even the narrowest of all Nebula Filters.
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Retains the highest light transmission of all known colour correcting devices - be it filters or lenses - in all important deep sky wavelengths from 486/501 up to 656 nm. Light is "the hottest commodity" for high magnification work.
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Built-in Infrared Blocker, ranging from 656 to 1150 nm, makes it the perfect tool for CCD work, as well as afocal projection-photography with digital cameras for Moon & Planets.
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Subtlest of colour variations remain visible in planetary surface detail, due to the excellent colour balance
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Combine with NEODYMIUM Moon- & Sky glow Filter (with Phantom- Group-Multicoatings) for breathtaking contrast on lunar and planetary surface detail.
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Planoptically polished, means perfect sharpness, even when mounted way in front of afocal projection (digital imaging).
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No deterioration of resolution with magnification at 300 times or more.
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Coating: Plasma assisted, hardest, scratch proof and water impermeable dielectric coatings of almost 50 coating layers on either side, most carefully designed to extend equal tension onto either side of the substrate - in order to retain a highest quality optical figure.
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Will make the performance of a simple f/8 economy refractor look like a classic f/15 Fraunhofer -Achromate. See it to believe it!