Astro-Tech AT130 130mm

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Astro-Tech AT130 130mm f/6 FPL-53 ED triplet apochromatic refractor

The result of using the best possible optical glass in a refractor is the finest possible control of spurious color. All three lenses in the Astro-Tech AT130’s air-spaced triplet apochromatic optical system are precision ground and polished from premium Ohara glass (Ohara is Japan’s best-known manufacturer of specialized optical glass), including the first-quality FPL-53 ED (Extra-low Dispersion glass) center element.

The premium Ohara glass in the AT130 provides true apochromatic performance – premium images that are free of all vestiges of the annoying faint color halos around bright objects visible in lesser scopes, despite the Astro-Tech’s fast focal ratio, and even at very high magnifications.

The optics are the big brother of those in the Astro-Tech AT106, a scope that a nearly four-page review in Sky & Telescope said “had absolutely first-class color correction. There was no visible chromatic aberration, even on the brightest targets.” The optical performance of the AT130 is equal to that of the AT106 – absolutely first-class – but with the 50% greater light-gathering and more than 22% higher resolution inherent in the larger 5.1” aperture of the AT130.

The Astro-Tech AT130’s exceptional 5.1” f/6 triplet optics are fully multicoated and user-collimatable in the field for peak performance. They come in a finely-machined body with a newly-designed dual speed 2.7” Crayford focuser that has a microfine 10:1 fine-focusing ratio. The focuser can rotate a full 360° to put your camera or eyepiece in the most comfortable observing position.

The supplied 2” and 1.25” accessory holders use non-marring brass compression rings that won’t scratch your eyepiece barrels. The 2” accessory holder can itself rotate 360°, independent of the focuser, so you can make a final tweak of the photographic composition or diagonal viewing angle without having to adjust the focuser itself a second time.

The optical tube and lens shade are finished in a durable high gloss automotive-style white paint. The focuser and trim are anodized gun metal grey. The Astro-Tech AT130 has a retractable lens shade with a lock knob and comes in a locking aluminum-frame carrying case.

  • 130mm f/6 air-spaced triplet apochromatic ED optics
  • All Ohara glass, from Japan’s best known specialty optical glass manufacturer, including a premium FPL-53 ED (Extra-low Dispersion) element
  • Fully broadband multicoated, with blackened lens edges
  • Collimatable lens cell
  • Rotating dual-speed 2.7” Crayford focuser with 10:1 ratio fine focusing
  • Non-marring 2” and 1.25” brass compression ring eyepiece holders
  • Self-storing retractable lens shade
  • Long-lasting white paint finish, with hard anodized grey trim
  • Slip-on metal dust cap
  • Aluminum-frame foam-fitted hard case
  • Two-year warranty

Takes +-6 Weeks to get Stock




  • Model: AT130
  • Shipping Weight: 30lbs
  • 20 Units in Stock
  • Manufactured by: Astro-Tech

This product was added to our catalog on Thursday 29 November, 2012.

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