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    • UHC/O-III
    • Visual, Moon, Neutral Density
  • Accessories
    • 0.965″ Classic Accessories
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    • Bahtinov Masks / Fishbone Calibrators
    • Barlows
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      • 12V Power Control
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      • 12V Dew Controller Units
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Telescopes (OTA's)

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  • Maksutov

    Maksutov (1)

  • Refractors (OTA)

    Refractors (OTA) (24)

  • Kson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with RingsKson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with Rings Quick View
    • Sale!
      Kson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with RingsKson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with Rings Quick View
    • Accessories, All, Kson Electronics, Refractors (OTA), Telescopes (OTA's), Telescopes, Mounts & Binoculars
    • Kson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with Rings

    • $289.95 Original price was: $289.95.$239.95Current price is: $239.95.
    • Add to cart
  • Kson Short Tube ST80 – 2″ Fine Focus 400mm f/5 Mk III Rich Field RefractorKson Short Tube ST80 – 2″ Fine Focus 400mm f/5 Mk III Rich Field Refractor Quick View
    • Sale!
      Kson Short Tube ST80 – 2″ Fine Focus 400mm f/5 Mk III Rich Field RefractorKson Short Tube ST80 – 2″ Fine Focus 400mm f/5 Mk III Rich Field Refractor Quick View
    • Accessories, All, Kson Electronics, Refractors (OTA), Telescopes (OTA's), Telescopes, Mounts & Binoculars
    • Kson Short Tube ST80 – 2″ Fine Focus 400mm f/5 Mk III Rich Field Refractor

    • $399.95 Original price was: $399.95.$379.95Current price is: $379.95.
    • Rated 5.00 out of 5
    • Add to cart
  • Kson A102G Classic M (F/7) 2″ Fine Focuser and Bonus CaseKson A102G Classic M (F/7) 2″ Fine Focuser and Bonus Case Quick View
    • Sale!
      Kson A102G Classic M (F/7) 2″ Fine Focuser and Bonus CaseKson A102G Classic M (F/7) 2″ Fine Focuser and Bonus Case Quick View
    • All, Brands, Kson Electronics, Refractors (OTA), Telescopes (OTA's)
    • Kson A102G Classic M (F/7) 2″ Fine Focuser and Bonus Case

    • $799.95 Original price was: $799.95.$699.95Current price is: $699.95.
    • Rated 5.00 out of 5
    • The Kson 102mm f/7 Achromatic Refractor is full of suprises. Made with a completely metal construction and multi-coated lenses, this hand-figured telescope delivers excellent performance and is built to last. The 2" rack and pinion fine focuser ensures precise adjustments, while the deluxe red telescope rings and vixen plate make for easy and secure mounting. And when you're on the…
    • Add to cart
  • Kson f/6.6 Refractor (600mm x 90mm) OTA with rings and vixen bar (2″ Focuser version)Kson f/6.6 Refractor (600mm x 90mm) OTA with rings and vixen bar (2″ Focuser version) Quick View
    • Kson f/6.6 Refractor (600mm x 90mm) OTA with rings and vixen bar (2″ Focuser version)Kson f/6.6 Refractor (600mm x 90mm) OTA with rings and vixen bar (2″ Focuser version) Quick View
    • All, Kson Electronics, Refractors (OTA), Telescopes (OTA's), Telescopes, Mounts & Binoculars
    • Kson f/6.6 Refractor (600mm x 90mm) OTA with rings and vixen bar (2″ Focuser version)

    • $449.95
    • Add to cart
  • Saxon Pioneer 804 Pioneer 80mm 400mm f/5 Refractor Telescope OTA PackageSaxon Pioneer 804 Pioneer 80mm 400mm f/5 Refractor Telescope OTA Package Quick View
    • Saxon Pioneer 804 Pioneer 80mm 400mm f/5 Refractor Telescope OTA PackageSaxon Pioneer 804 Pioneer 80mm 400mm f/5 Refractor Telescope OTA Package Quick View
    • Accessories, All, Refractors (OTA), Saxon, Telescopes (OTA's), Telescopes, Mounts & Binoculars
    • Saxon Pioneer 804 Pioneer 80mm 400mm f/5 Refractor Telescope OTA Package

    • $279.95
    • saxon 804AZ3 Pioneer Refractor OTA / Finder If space is the question, then your answer is none other than the saxon 80/400 AZ3 Pioneer Refractor Telescope. This short-tube refractor telescope has wide field views, thanks to its achromatic objective lens of 80mm and focal length of 400mm. The Alt-Azimuth mount makes it easy to adjust and focus on your land and…
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  • TS-Optics 102 mm f/11 SD – FPL53 APO Apochromat with 2.5″ RAP focuserTS-Optics 102 mm f/11 SD – FPL53 APO Apochromat with 2.5″ RAP focuser Quick View
    • TS-Optics 102 mm f/11 SD – FPL53 APO Apochromat with 2.5″ RAP focuserTS-Optics 102 mm f/11 SD – FPL53 APO Apochromat with 2.5″ RAP focuser Quick View
    • All, Brands, Refractors, Refractors (OTA), Telescopes (Complete), Telescopes (OTA's), Telescopes, Mounts & Binoculars, TS-Optics, Used Astronomy Gear, Used Market
    • TS-Optics 102 mm f/11 SD – FPL53 APO Apochromat with 2.5″ RAP focuser

    • $2,395.95
    • Rated 5.00 out of 5
    • The TS 102 mm f11 SDP Apo offers excellent chromatic aberration correction by pairing FPL53 with additional special glass ♦ Very good correction of chromatic aberrations by a 2-element APO lens with FPL53 from Ohara and an additional special glass ♦ Very good correction also in the violet color range, where faster SD-Apos give in a bit ♦ Even at…
    • Add to cart
  • TS-Optics 70 mm F6 ED Travel Refractor with modern 2″ RAP FocuserTS-Optics 70 mm F6 ED Travel Refractor with modern 2″ RAP Focuser Quick View
    • TS-Optics 70 mm F6 ED Travel Refractor with modern 2″ RAP FocuserTS-Optics 70 mm F6 ED Travel Refractor with modern 2″ RAP Focuser Quick View
    • All, Brands, Refractors, Refractors (OTA), Telescopes (Complete), Telescopes (OTA's), Telescopes, Mounts & Binoculars, TS-Optics
    • TS-Optics 70 mm F6 ED Travel Refractor with modern 2″ RAP Focuser

    • $699.95
    • Rated 5.00 out of 5
    • The powerful ED lens makes the compact refractor a great telescope for astrophotography and observation. Aperture 70 mm / focal length 420 mm / focal ratio f/6 2-element ED lens with special glass from Ohara (Japan) as ED element The telescope is only approx. 30 centimetres long due to the retractable dew shield. High-quality 2" dual-speed rack and pinion focuser…
    • Add to cart
  • Kson Ke’sil Skysweeper 150mm 750mm f/5 (V Variant)Kson Ke’sil Skysweeper 150mm 750mm f/5 (V Variant) Quick View
    • Sale!
      Kson Ke’sil Skysweeper 150mm 750mm f/5 (V Variant)Kson Ke’sil Skysweeper 150mm 750mm f/5 (V Variant) Quick View
    • All, Brands, Kson Electronics, Refractors, Refractors (OTA), Telescopes (Complete), Telescopes (OTA's), Telescopes, Mounts & Binoculars
    • Kson Ke’sil Skysweeper 150mm 750mm f/5 (V Variant)

    • $2,195.95 Original price was: $2,195.95.$1,899.95Current price is: $1,899.95.
    • The Kson Ke'sil Star Seeker is an f/5 classic air spaced, crown and flint doublet achromat refractor with a huge 150mm aperture with key differences that keep it in a class of its own.
    • Add to cart
  • Kson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with Vixen PlateKson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with Vixen Plate Quick View
    • Sale!
      Kson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with Vixen PlateKson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with Vixen Plate Quick View
    • Accessories, All, Kson Electronics, Refractors (OTA), Telescopes (OTA's), Telescopes, Mounts & Binoculars
    • Kson Short Tube ST80 – 1.25″ Focuser 400mm f/5 Mk II with Vixen Plate

    • $259.95 Original price was: $259.95.$189.95Current price is: $189.95.
    • Add to cart
  • Kson A102G Classic L (F/9) 2″ Fine Focuser and Bonus CaseKson A102G Classic L (F/9) 2″ Fine Focuser and Bonus Case Quick View
    • Sale!
      Kson A102G Classic L (F/9) 2″ Fine Focuser and Bonus CaseKson A102G Classic L (F/9) 2″ Fine Focuser and Bonus Case Quick View
    • All, Brands, Kson Electronics, Refractors (OTA), Telescopes (OTA's)
    • Kson A102G Classic L (F/9) 2″ Fine Focuser and Bonus Case

    • $799.95 Original price was: $799.95.$699.95Current price is: $699.95.
    • The Kson 102mm f/9 Achromatic Refractor is full of surprises. Made with a completely metal construction and multi-coated lenses, this hand-figured telescope delivers excellent performance and is built to last. The 2" rack and pinion fine focuser ensures precise adjustments, while the deluxe red telescope rings and vixen plate make for easy and secure mounting. And when you're on the…
    • Add to cart
  • Kson Maksutov / Mak 127mm / 1500mm f/12 Telescope OTA & 8×50 finderKson Maksutov / Mak 127mm / 1500mm f/12 Telescope OTA & 8×50 finder Quick View
    • Sale!
      Kson Maksutov / Mak 127mm / 1500mm f/12 Telescope OTA & 8×50 finderKson Maksutov / Mak 127mm / 1500mm f/12 Telescope OTA & 8×50 finder Quick View
    • All, Brands, Kson Electronics, Maksutov, Telescopes (OTA's), Telescopes, Mounts & Binoculars
    • Kson Maksutov / Mak 127mm / 1500mm f/12 Telescope OTA & 8×50 finder

    • $649.95 Original price was: $649.95.$599.95Current price is: $599.95.
    • This is a compact and powerful optical design that combines a front meniscus lens and two mirrors. The telescope is well protected from humidity, dust and pollution and will give you a long life. Even though the scope is very compact by nature, the optical design allows you to have a long focal length allowing high magnification with the standard…
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  • Kson A127G “Ki’mah” Kson (F/9.5) 2″ Fine Focuser and Bonus CaseKson A127G “Ki’mah” Kson (F/9.5) 2″ Fine Focuser and Bonus Case Quick View
    • Kson A127G “Ki’mah” Kson (F/9.5) 2″ Fine Focuser and Bonus CaseKson A127G “Ki’mah” Kson (F/9.5) 2″ Fine Focuser and Bonus Case Quick View
    • All, Brands, Kson Electronics, Refractors (OTA), Telescopes (OTA's)
    • Kson A127G “Ki’mah” Kson (F/9.5) 2″ Fine Focuser and Bonus Case

    • $1,099.95
    • The Kson A127G "Ki'mah" is a Mk II classic air-spaced, crown-and-flint, doublet achromatic f/9.5 refractor.  It features a superior-class optical figure (due to the high quality hand ground lens, which, while slow to produce, is exceptional in quality). You will be impressed by the stunning lunar and deep space images revealed to you at the eyepiece, and all at a small…
    • Add to cart
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Average rating

  • Rated 5 out of 5 (4)

Advice and Help

  • What makes dealing with Astro Dog different? – Our Ideas
  • Why don’t we sell ‘cheap’ telescopes?
  • Which of these Telescopes Would We Recommend? NONE OF THEM!
  • 8 things to do to get the best out of an Achromatic Refractor
  • Astro Dog Kson Telescopes Overview

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