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  1. Astro-Tech AT80EDT f/6 ED Triplet Refractor OTA

    For the backyard grab-and-go observer, for the Milky Way star field scanner, for the wide field imager, for the birder and terrestrial photographer . . . the Astro-Tech AT80EDT 80mm f/6 ED triplet apo is the Swiss Army knife of refractors.
  2. Astro-Tech AT152EDT f/8 Triplet APO Refractor OTA

    Regular Price: $4,395.00

    Special Price $3,495.00

    A true APO using FK61 and Lanthanum in a temperature compensated cell. This is a fantastic instrument.

    Out of stock

  3. Astro-Tech AT115EDT f/7 ED Triplet Refractor OTA

    The Astro-Tech AT115EDT 4.53" f/7 ED triplet apochromatic  refractor offers more performance and features than similarly-priced smaller aperture competitive refractors, and a markedly lower price than competitive scopes with the same aperture. All in all, an exceptional value.
  4. Astro-Tech AT130 EDT f/7 ED Triplet OTA

    Some observers feel that the Astro-Tech AT130EDT 5.12" f/7 ED triplet apochromatic refractor compares favorably in performance to scopes nearly four times its price. We won't go quite that far, but we will say that the AT130EDT is an exceptional performer and an exceptional value.
  5. Astro-Tech AT92 f/5.5 Triplet Apo Refractor OTA

    If you are looking for the best fast focal ratio/compact APO refractor that Thomas Back and Roger Ceragioli could create, then look no further.

    Out of stock

5 Item(s)
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