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Newtonian Reflector Telescope Secondary Mirror

NYJLGD ★ 3.7/5 · ItemOracle Score Mid-Range

$50 USD
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Newtonian Reflector Telescope DIY Dedicated Secondary Mirror Elliptical for DIY Newtonian Reflecting Astronomical Telescope

Spherical aluminized secondary mirror with protective film for Newtonian telescopes. Dimension tolerance 0.5mm and surface accuracy PV 1/4-1/6. Useful as an optical axis steering component

Highlights

  • aluminized reflective surface
  • protective scratch-resistant film
  • precise dimension tolerance

Pros

  • aluminized reflective surface
  • protective film to prevent scratches
  • tight dimension tolerance
  • specified surface accuracy
  • dedicated secondary mirror for Newtonian scopes

Cons

  • no customer insights available
  • no included accessories noted

Best For

  • building a custom Newtonian telescope
  • replacing a damaged secondary mirror
  • prototype optical axis alignment
  • educational optics project
  • DIY telescope repair
  • astronomy hobby experimentation

Features

  • Secondary mirror for Newtonian reflective telescopes, designed for optical axis alignment
  • Spherical mirror with aluminized surface and protective scratch film
  • Dimension tolerance within 0.5 mm for precise fitting
  • Surface accuracy of PV 1/4-1/6 for optical quality
  • Intended as a component for Newtonian astronomical telescope assemblies

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