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  1. Tele Vue NP101Is 4" f/5.4 Nagler-Petzval apochromatic refractor

    $4,266.01
    This TeleVue NP-101is is a superb and highly portable apochromatic refractor for both visual observing and imaging . . .
  2. Explore Scientific 102mm f/7 "Essential Series" FCD-1 ED Triplet Refractor

    $1,199.99
    This 102mm (4") Explore Scientific Essential Series air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a surprisingly reasonable price for a scope of its size and optical quality.
  3. Astro-Tech AT102ED 4" f/7 ED Refractor OTA

    Regular Price: $649.00

    Special Price $589.00

    The Astro-Tech AT102ED is a fantastic value and incredible performer.
  4. Explore Scientific AR102 4" f/6.5 achromatic doublet refractor optical tube

    $599.99
    This highly portable 4" Explore Scientific achromatic refractor optical tube (only 25.5" long, with a weight of 11.3 pounds) is a great value for spur-of-the-moment grab and go astronomy . . .
  5. Explore Scientific 102mm f/7 Classic White FCD100 ED Triplet Refractor

    $1,999.99
    This 102mm (4") Explore Scientific Essential Series air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a surprisingly reasonable price for a scope of its size and optical quality.
  6. Explore Scientific 102mm f/7 Carbon Fiber FCD100 ED Triplet Refractor

    $2,499.99
    This 102mm (4") Explore Scientific Carbon Fiber air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a surprisingly reasonable price for a scope of its size and optical quality.
  7. Sky-Watcher Skymax 90 90mm f/13.9 Maksutov-Cassegrain optical tube

    $270.00
    The Sky-Watcher 90mm Maksutov-Cassegrain is a compact optical powerhouse, capable of producing sharp, high contrast images inside the solar system and out.
  8. Sky-Watcher Evostar 80ED 80mm f/7.5 ED doublet apochromatic refractor

    $1,080.00
    This 80mm Sky-Watcher Evostar 80ED doublet apochromatic refractor is loaded with performance and features at a very attractive price . . .
  9. Sky-Watcher Skymax 102 102mm f/12.75 Maksutov-Cassegrain optical tube

    $320.00
    The Sky-Watcher 102mm Maksutov-Cassegrain is an inexpensive step up from a 90mm Mak. This compact optical powerhouse is capable of producing sharp, high contrast images inside the solar system and out.
  10. Sky-Watcher Evostar 100ED 100mm f/9 ED doublet apochromatic refractor

    $1,255.00
    This 100mm Sky-Watcher Evostar 100ED doublet apochromatic refractor is a premium scope with high contrast/high resolution performance and premium accessories at a very attractive price . . .
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