Celestron FirstScope 3″ Dobsonian Reflector

3″ Celestron FirstScope Specifications and Features

  • Optical Design: Newtonian
  • Aperture: 76mm (3″)
  • Focal Length: 300mm
  • Focal Ratio: f/3.95
  • Maximum Practical Visual Power: 180x
  • Mount: Dobsonian (table-top hybrid)
  • Total Net Telescope Weight: 4 lbs. 5 oz.

Celestron Firstscope Model #21024 Instruction Manual – PDF

Current amateur astronomy information such as points of interest and events in the night sky, star party dates, educational information, telescopes buying tips and much more.