Open Box Takahashi TSA120 Optical Tube-SOLD

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  • $4,170.00
  • Regular price $4,430.00

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Open Box Takahashi TSA120 Optical Tube-SOLD

The TSA-120 Triplet APO Refractor Telescope delivers superior quality optics, all in a portable package! This air-spaced triplet design achieves a high level of apochromatic performance for lunar, planetary and deep sky observing and imaging, delivering very high contrast images with pinpoint stars.

Inside the precision-crafted lens cell, you'll find three elements, an FPL-53 Extra-low Dispersion (ED) glass lens placed between two air-spaced extreme quality crown lenses. This Telescope’s ED triplet optics yield excellent high-contrast images, free of chromatic aberration’s violet glow, which often accompany bright stars and planet.

The TSA-120’s short tube make transport and versatile accessory assemblies possible, especially for those using important length. The system chart will guide you through the TSA-120’s versatile assemblies which all fulfill the requirements of rigidity and flexibility needed by the new imaging devices, including SLR/DSLR or CCD cameras.


  • Apochromatic Triplet ED Refractor Optics- 120mm aperture, 988mm focal length, f/7.5 refractor-
  • Multicoated Optics- coated with broadband antireflection materials for optimal light transmission and contrast.
  • Retractable Lens Hoods- reduces dew formation on the lens and improves contrast by shielding the lens from off-axis ambient light.
  • 7” rack and pinion focuser
  • Compatibility and Versatility- compatible with several flatteners, reducers, and extenders, including the TOA-35 Reducer, which converts the telescope to a f/5.3 imaging platform with a 44mm image circle.


ConditionLike New
Warranty90 Day Covered By OPT


  • Takahashi TSA120 optical tube
  • Extension tubes and 1.25" holder
  • Original box
  • Serial number OD023

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