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Astro Tech 10″ f/8 Ritchey-Chretien Astrograph AT10RC by Astronomy Technologies

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Product Details

Brand
Astronomy Technologi

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Features

  • 10″ f/8 true Ritchey-Chretien hyperbolic mirror optical design
  • Low thermal expansion quartz primary and secondary mirrors
  • 99% reflectivity non-tarnishing multi-layer dielectric mirror coatings
  • Nine contrast-enhancing main tube knife edge light baffles
  • Dual-speed 3″ linear bearing Crayford focuser

Description


This Astro-Tech AT10RC Ritchey-Chretien astrograph features
Three built-in cooling fans in rear cell
1.25″ and 2″ compression ring accessory holders
1″ and 2″ focuser extension rings to fine-tune the back focus
Two Losmandy-style “D-plate” dovetail rails
Mounting bracket for optional finder
Two-year warranty

After several years of joint development with the manufacturer, Astro-Tech is proud to announce that the 10″ f/8 AT10RC Ritchey-Chretien is now in production. The Astro-Tech AT10RC is the first truly affordable large aperture true Ritchey-Chretien astrograph available from a U. S. company. Imitators will no doubt copy Astro-Tech's years of hard development work, but why settle for a copy when you can get the original? Sky and and Telescope agrees, as they named the Astro-Tech AT10RC a Sky and and Telescope Hot Product for 2010, along with its smaller 8″ brother, the Astro-Tech AT8RC. (Incidentally, the original Astro-Tech 6″ R-C was named a Sky and and Telescope Hot product for 2009.)

The affordable Astro-Tech AT10RC joins two other Astro-Tech Ritchey-Chretien firsts. One is the AT8RC, also a Sky and and Telescope Hot Product for 2010 – the first 8″ true Ritchey-Chretien astrograph available from a U. S. company and the first and still the only affordable U. S. 8″ R-C with Astro-Tech-designed premium features like quartz mirrors, dielectric mirror coatings, two dovetail mounting rails, and more. The other is the AT6RC – a highly affordable R-C astrograph for DSI and DSLR imaging that was conceived and developed by, and first brought to market by, Astro-Tech and named a Hot Product for 2009. Both the AT6RC and the AT8RC were highly praised in a four-page review in the December 2009 issue of Sky and and Telescope magazine.

And they are serious when they say the 10″ aperture AT10RC is “affordable.” The Astro-Tech AT10RC is priced nearly $4000 less than the formerly least-expensive 10″ R-C. As Sky and an


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