🎁 -15% OFF ALL ITEMS! Code BFCM15

OFFER EXPIRES IN:

00
:
00
:
00
:
00
Skip to content
Newtonian Reflector Telescope DIY Dedicated Secondary Mirror Elliptical for DIY Newtonian Reflecting Astronomical Telescope

Newtonian Reflector Telescope DIY Dedicated Secondary Mirror Elliptical for DIY Newtonian Reflecting Astronomical Telescope

by NYJLGD
$39.98 - $39.98
$39.98
$39.98 - $39.98
$39.98
  • Astronomical Telescope Reflective Telescope Secondary Mirror
  • The mirror is a spherical mirror with aluminized surface and a protective film to prevent scratches on the main mirror under light touch.
  • Dimension tolerance: ±0.5mm
  • Surface accuracy PV: 1/4-1/6λ
  • Purpose: used as a Newtonian astronomical telescope optical axis steering