RajeshD30

Instructables

• 

  Making 22 Inches Dobsonian Telescope Body Under 100$

  40 4.0K
• 

  CHEAP INTERFEROMETER FOR OPTICAL TESTING OF TELESCOPE MIRRORS.

  62 6.9K
• 

  Dew Heater for Telescope Optics From Aquarium Heater.

  6 2.5K