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Newtonian Reflector Telescope DIY Secondary Mirror (Elliptical) - NYJLGD

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$120 USD
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Newtonian Reflector Telescope DIY Dedicated Secondary Mirror Elliptical for DIY Newtonian Reflecting Astronomical Telescope

Dual-purpose spherical secondary mirror for Newtonian reflectors with aluminized surface and protective film. Dimension tolerance 0.5mm; surface accuracy PV 1/4-1/6. Suitable for optical axis alignment in DIY telescopes

Highlights

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

Pros

  • aluminized reflective surface
  • protective film to prevent scratches
  • tight dimension tolerance
  • specified surface accuracy
  • designed for Newtonian telescope optics

Cons

  • customer insights unavailable
  • no explicit compatibility list
  • description limited to one mirror type

Best For

  • DIY Newtonian telescope projects
  • optical axis alignment experiments
  • replacement secondary mirror for reflecting telescopes
  • astronomy hobby assembly
  • educational telescope builds
  • prototyping telescope optics

Features

  • Aluminized spherical mirror with protective film to prevent scratches
  • Designed as a secondary mirror for Newtonian astronomical telescopes
  • Dimension tolerance within 0.5 mm and surface accuracy PV 1/4-1/6
  • Dedicated for optical axis steering in Newtonian reflector setups

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