Used William Optics Zenithstar 70mm Doublet Refractor - UT-11808 - SOLD

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  • $249.00
  • Regular price $449.00

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  • This is a used scope in very good condition


Used William Optics Zenithstar 70mm Doublet Refractor - UT-11808 - SOLD

  • The 70mm ED Doublet operates at F6.2 and is a true multi-purpose tube assembly.
  • Excellent mechanics and fit and finish, Crayford 2-speed fine focuser, super-high transmission multi-coating, optional white ABS backpacker type carry case.
  • Fast focal ratio makes it your ideal fast set-up for travel astrophotography, piggybacking or spotting scope.
  • ED glass (Japanese Ohara glass, FPL51) doublet air-spaced, in CNC machined ultra-high precision lens cell.
  • Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces.
  • Fully baffled to block all extraneous off-axis light rays and prevent glancing reflections, increasing overall contrast.
  • 70mm clear aperture.
  • Perfect for EAZY-T Alt-Az Mount. You can slide it directly into the mount without a plate if you like.
  • Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube
  • Drawtube travel length 81 mm with graduated scale.
  • Retractable dewshield, smallest size ever and enhanced portability!
  • Fast focal ratio for bright, high-quality astro-imaging.
  • Perfect for piggybacking as guide scope. Consider our new guiding rings!
  • William Optics rotatable Crayford focuser, smooth and precise, ideal during astrophotography.
  • Adjustable focuser tension.
  • Super-smooth and reliable 1:10 micro focuser for fine focusing during imaging and visual observations alike. 


ConditionVery good
ManufacturerWilliam Optics
Warranty90 Day


  • William Optics Zenithstar 70 optical tube
  • Caps and soft carry case


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