Reflecting telescope - Wikipedia

    A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image.The reflecting telescope was invented in the 17th century, by Isaac Newton, as an alternative to the refracting telescope which, at that time, was a design that suffered from severe chromatic aberration.

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    Telescope Mirror Blanks / TelescopeMirrorBlanks.Com ...

    Telescope Mirror Blanks Providing telescope mirror blanks and kits to telescope makers. Mirror blanks are individually tested for internal strain. Plastic protractor inserted under a 6 inch mirror blank during a stress test, to illustrate what stress would look like - if there were any present.

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    Telescope Products & Services

    We offer a range of products and services for the ameteur telescope enthusiast such as grinding powders, polishing powders /compounds, telescope aluminising services. We offer a Telescope mirror re coating service for both Primary and Secondary telescope mirrors. We also offer a recoating service for Sextant mirrors. Please contact us for ...

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    Telescope Mirror Kits - firsthanddiscovery

    Want to build your own telescope? Start with one of our telescope mirror kits. Each kit comes with a telescope mirror blank and all the abrasives (silicon carbide grits and white aluminum oxide powders), cerium oxide polish and pitch to grind and polish it to your specifications.

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    Obsession Telescopes / Optics

    A telescope mirror is designed to form a diffraction limited image of a point source. Ideally, a certain percentage of the light in the image will fall within the diffraction disk diameter. The Strehl ratio compares the mirror's actual performance in terms of its ability to .

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    Mirrors - Telescopes

    We are your source for astronomy telescopes, eyepieces, astroimaging cameras and imaging accesories, telescope mounts, & more!

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    Hubble Space Telescope - Wikipedia

    At that time ground-based telescopes were limited to resolutions of 0.5–1.0 arcseconds, compared to a theoretical diffraction-limited resolution of about 0.05 arcsec for a telescope with a mirror 2.5 m (8.2 ft) in diameter. Second, a space-based telescope could observe infrared and ultraviolet light, which are strongly absorbed by the atmosphere.

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    Telescope Mirrors & Prisms for sale | eBay

    Get the best deal for Telescope Mirrors & Prisms from the largest online selection at eBay. Browse your favorite brands affordable prices free shipping on many items.

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    TelescopesPlus - The #1 Online Store for Telescopes and ...

    Have questions about an item or need advice on selecting the right astronomy gear? Our team of telescope experts is here to help! Avid amateur astronomers themselves, they've tested products in the field and can provide personalized recommendations. Drop us an email at [email protected] We'll get back to you as soon as possible, usually ...

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    Mirrors Webb/NASA

    The telescope's tertiary mirror remains stationary. Lee Feinberg, Webb Optical Telescope Element Manager at NASA Goddard explains, "Aligning the primary mirror segments as though they are a single large mirror means each mirror is aligned to 1/10,000th the thickness of a human hair.

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    Large Homemade Telescope Making Project - Google Sites

    This web page provides an overview of my large homemade telescope making project. I read several telescope and mirror making books and visited many amateur telescope making or "ATM" websites to learn how to build a 14.5 inch homemade telescope of this size.

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    Mirrors Webb/NASA

    The telescope's tertiary mirror remains stationary. Lee Feinberg, Webb Optical Telescope Element Manager at NASA Goddard explains, "Aligning the primary mirror segments as though they are a single large mirror means each mirror is aligned to 1/10,000th the thickness of a human hair.

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    Go Inside a Telescope Mirror Factory | To a Billionth of a ...Click to view on Bing3:28

    Dec 01, 2014 · Beneath the University of Arizona football stadium sits the Steward Observatory Mirror Lab. There, giant mirrors are meticulously shaped and polished, to be used in telescopes around the world ...

      Author: National Geographic
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    Mirror grinding - scopemaking

    It starts to look like a telescope mirror :) The #400 grit is the finest size you will add with the teaspoon. Finer than that, they need to be premixed with water. Take a plastic bottle (from drinks etc) 0.5 liters, add a few spoons of grit in the bottle and add 6-8 times the volume of water. Shake well before pouring the grit on the mirror.

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    GSO Parabolic Primary Mirror - 10" f/5 - agenaastro

    For years, GSO has made dobsonian telescopes sold under various labels. Users of these scopes know the excellent quality of the optics included, and they have a well-deserved reputation for being the finest mirrors in their price range.

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    Waite Research :: Home

    With about 50 videos on mirror making and telescope building, Gordon's YouTube channel has accumulated almost 1,500,000 views! Read more. Buy a 20" Waite Research Telescope Mirror. If you are thinking about moving up to a large aperture telescope mirror, we'll fabricate a premium 20" mirror just for you. Shoot us an email today. gordon ...

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    Telescope Mirrors for sale | eBay

    Get the best deal for Telescope Mirrors from the largest online selection at eBay. Browse your favorite brands affordable prices free shipping on many items.

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    Zambuto Optical Company - Newtonian Telescope Mirrors

    world-class Newtonian primary mirrors. Since 1997 the Zambuto mirror has been setting a performance benchmark in the premium telescope industry against which others are measured, and against which others measure themselves. Zambuto Optical Company consistently maintains a no-compromise standard which results in Newtonian mirrors of finest quality in contrast and overall performance.

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    How to Clean Your Telescope Optics the Right Way | Sky ...

    Jul 27, 2006 · How to Care for Your Telescope Optics the Right Way. By: ... The safest way to remove grit from a telescope mirror is to blast the surface with tap water. ... Sky & Telescope senior editor Alan ...

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    How to Clean Your Telescope Optics the Right Way | Sky ...

    Jul 27, 2006 · How to Care for Your Telescope Optics the Right Way. By: ... The safest way to remove grit from a telescope mirror is to blast the surface with tap water. ... Sky & Telescope senior editor Alan ...

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    GSO Parabolic Primary Mirror - 6" f/8 - AgenaAstro

    For years, GSO has made dobsonian telescopes sold under various labels. Users of these scopes know the excellent quality of the optics included, and they have a well-deserved reputation for being the finest mirrors in their price range.

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