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Newton Reflecting Telescope Dedicated Sub-Mirror Mirror Inclined Mirror, Elliptical Plane Mirror, Aluminum-Plated and Protective Film, Used As A Newtonian Telescope for Optical Axis Steering

Original price $99.98 - Original price $99.98
Original price
$99.98
$99.98 - $99.98
Current price $99.98
  • Name: Astronomical telescope secondary mirror, oblique mirror, plane mirror
  • Size: 20-80mm
  • Surface accuracy λ: 1/3
  • Coating: Aluminized and protective film
  • Purpose: Newtonian astronomical telescope optical axis steering