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Home ·
Telescopes · Refractors
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Astro-Tech AT65EDQ 65mm f/6.5 ED quadruplet astrograph
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This unique Astro-Tech apochromatic dual ED quadruplet fast focal ratio refractor uses an ED triplet objective lens, plus a built-in ED singlet lens field flattener, to give you exceptional flat field/very wide field imaging capabilities at an affordable price . . .
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Astro-Tech AT72ED 72mm f/6 ED doublet refractor, black tube
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The Astro-Tech AT72ED is a worthy successor – and upgrade – to the AT66ED, an Astro-Tech scope that Astronomy magazine called “a product everyone should own.” The AT72ED is optically so good, despite its low price, that you might swear this compact air-spaced ED doublet refractor is an apochromat . . .
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Astro-Tech AT72ED 72mm f/6 ED doublet refractor, blue and black tube
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The Astro-Tech AT72ED is a worthy successor – and upgrade, in aperture and accessories – to the AT66ED, an Astro-Tech scope that Astronomy magazine called “a product everyone should own . . . a great grab-and-go scope, a fine little astrograph, a super-finder scope, and a daytime spotting scope.” The same is equally true for the new blue AT72ED.
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Astro-Tech AT72ED 72mm f/6 ED doublet refractor, green and black tube
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The Astro-Tech AT72ED is a worthy successor – and upgrade – to the AT66ED, an Astro-Tech scope that Astronomy magazine called “a product everyone should own.” The AT72ED is optically so good, despite its low price, that you might swear this compact air-spaced ED doublet refractor is an apochromat . . .
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Astro-Tech AT72ED 72mm f/6 ED doublet refractor, pink tube
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If you have a young female astronomer in your household, here's a scope that's sure to please. It's the Astro-Tech AT72ED in a subtle pink finish that the on-line photo doesn't do justice. While attractive and feminine in appearance, underneath the pink paint beats the heart of a scope that is optically so good, despite its low price, that you will think twice about just how much of the heavens a pink telescope can show you . . .
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Astro-Tech AT72ED 72mm f/6 ED doublet refractor, red tube
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The eye-catching red and black finish Astro-Tech AT72ED is a worthy successor – and upgrade – to the AT66ED, an Astro-Tech scope that Astronomy magazine called “a product everyone should own.” The AT72ED is optically so good, despite its low price, that you might swear this compact air-spaced ED doublet refractor is an apochromat . . .
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Astro-Tech AT72ED 72mm f/6 ED doublet refractor, white and gray tube
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The Astro-Tech AT72ED is a worthy successor – and upgrade – to the AT66ED, an Astro-Tech scope that Astronomy magazine called “a product everyone should own.” The AT72ED is optically so good, despite its low price, that you might swear this compact air-spaced ED doublet refractor is an apochromat . . .
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Astro-Tech AT90EDT 90mm f/6.7 FPL-53 ED triplet apochromatic refractor
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Here’s something you don’t see every day – a 90mm triplet apochromatic refractor with a collimatable lens cell . . . at an affordable price. The Astro-Tech AT90EDT uses all Ohara glass (from Japan’s premium optical glass maker), including an FPL-53 ED element. It has a dual-speed 2.7” rack-and-pinion focuser; 2” and 1.25” compression ring eyepiece holders; an aluminum-frame hard case; a two-year warranty; and superb color-free images.
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Astro-Tech AT106 106mm f/6.5 FPL-53 ED triplet apochromatic refractor
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The headline for the Sky & Telescope review of the Astro-Tech AT106 called it “A Scope Too Good To Be True . . . .” This collimatable 106mm f/6.5 ED triplet refractor uses all Ohara glass (from Japan’s premium optical glass maker), including an FPL-53 ED element, for superb high resolution apochromatic images that Sky & Telescope concluded “provides all the benefits of a first-class 4-inch apo but without the premium price. I highly recommend it.”
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Astro-Tech AT111EDT 111mm f/7 ED triplet apochromatic refractor
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With an aperture of 111mm, the Astro-Tech AT111EDT ED triplet apochromatic refractor with all-Ohara glass gathers over 18% more light than the more common 102mm refractors. Combine this extra light with the Astro-Tech’s state-of-the-art multicoatings and features, and you have a scope that outperforms similar (but more costly) competitive 102mm and 110mm refractors – and at a price as much as $800 less than a similar competitive scope!
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Astro-Tech AT130 130mm f/6 FPL-53 ED triplet apochromatic refractor
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The performance of the Astro-Tech 130mm ED triplet apochromatic refractor is superb, in keeping with Astro-Tech’s well-deserved reputation for producing optically and mechanically excellent refractor optics. All three lenses in the air-spaced optics of the AT130 are fabricated from Ohara glass (Ohara is Japan’s premier manufacturer of specialized optical glass), including the first-quality FPL-53 ED (Extra-low Dispersion glass) center element.
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