The images from the 430mm f/6 ED air-spaced doublet optics of this Astro-Tech AT72ED refractor are virtually free from spurious color (chromatic aberration), even at high magnifications. At its low price, the optical performance is little short of astonishing.
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The images from the 430mm f/6 ED air-spaced doublet optics of this Astro-Tech AT72ED refractor are virtually free from spurious color (chromatic aberration), even at high magnifications. At its low price, the optical performance is little short of astonishing.
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A true FPL-53 triplet apochromatic optical system with a collimatable lens cell!
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The AT8RC that Astro-Tech helped develop was the first sensibly-priced 8" true Ritchey-Chrétien astrograph available from a U. S. company.
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This new version of the Astro-Tech AT111EDT uses the same premium Ohara glass in its apochromatic triplet optics as the original model, for the same premium image quality as the original 111EDT.
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The performance of this Astro-Tech 106mm FPL-53 ED (Extra-low Dispersion glass) triplet apochromatic refractor is outstanding, in keeping with Astro-Tech’s well-deserved reputation for producing optically and mechanically excellent optics.
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The AT10RC is the first truly affordable large aperture true Ritchey-Chrétien astrograph available from a U. S. company.
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Developed by Astro-Tech to make large-format CCD imaging affordable for the amateur astronomer, the Astro-Tech AT10RCF.
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The performance of this Astro-Tech 130mm FPL-53 ED (Extra-low Dispersion glass) triplet apochromatic refractor is superb, in keeping with Astro-Tech’s well-deserved reputation for producing optically and mechanically excellent optics.
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Developed by Astro-Tech to make large-aperture/large-format CCD imaging affordable for the dedicated amateur astronomer and educational institution, the 12” Astro-Tech AT12RC
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SolaREDi Hyrdogen-alpha is an entry level telescope boasting both a modest pricetag and out-of-the-box application. But Hyrdogen-alpha offers room to grow with 60mm clear aperture and full 35mm blocking filter elements and an included robust 2" focusing platform for a wide variety of solar imaging choices.
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