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  1. Astro-Tech AT102ED 4" f/7 ED Refractor OTA

    $649.00
    The Astro-Tech AT102ED is a fantastic value and incredible performer.
  2. Astro-Tech AT92 f/5.5 Triplet Apo Refractor OTA

    $1,795.00
    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

  3. 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.
  4. Sky-Watcher Esprit 150mm f/7 ED apochromatic triplet refractor with field flattener

    $8,250.00
    The big Sky-Watcher Esprit 150mm ED apochromatic triplet refractor with thread-on field flattener combines premium high contrast/high resolution imaging performance with the flat field you need for critical imaging. It's a superb 6" apo refractor that can be the heart of your observing and wide field imaging system for years to come.
  5. Takahashi TSA-120 4.7" F/7.5 Ortho-Apochromat triplet refractor OTA

    $5,240.00
    This Takahashi TSA-120 4.72" ED triplet refractor puts true-color "super apochromat" optical excellence in a portable 15.4 lb. package . . .
  6. Explore Scientific AR127 5" f/6.5 achromatic doublet refractor

    $749.99
    This 5" Explore Scientific achromatic refractor optical tube is a big performer, both inside the solar system and out in the realm of the nebulas and galaxies, at a not so very big price.

    Out of stock

  7. Explore Scientific AR152 6" f/6.5 achromatic doublet refractor optical tube

    $979.99
    This 6" Explore Scientific AR152 achromatic refractor optical tube is a sensational value - a big 6" (152mm) and fast f/6.5 refractor that's priced like an 80mm scope.
  8. Sky-Watcher Esprit 80mm f/5 ED apochromatic triplet refractor with field flattener

    Regular Price: $2,230.00

    Special Price $1,699.00

    The compact Sky-Watcher Esprit 80mm ED apochromatic triplet refractor has the premium high contrast/high resolution optical performance you need to let you use it as the heart of your observing and wide field imaging system. 
  9. Sky-Watcher Esprit 100mm f/5.5 ED apochromatic triplet refractor with field flattener

    $3,210.00
    The Sky-Watcher Esprit 100mm ED apochromatic triplet refractor has the premium high contrast/high resolution/flat field optical performance you need to let you use it as the heart of your observing and wide field imaging system.
  10. Sky-Watcher Esprit 120mm f/7 ED apochromatic triplet refractor with field flattener

    $4,165.00
    The big Sky-Watcher Esprit 120mm ED apochromatic triplet refractor with thread-on field flattener combines premium high contrast/high resolution imaging performance with the flat field you need for critical deep space imaging. It's a superb scope that can be the heart of an observing and wide field imaging system for you for years to come.
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