🛠️ Invention or technique

Dobsonian telescope

Telescopio Dobson

Date
1965 · confidence medium
Place
San Francisco, California, United States
Credited to
John Dobson
Field
Communication

What it is

A Newtonian reflector telescope with a simplified altazimuth mount, popularized by John Dobson, which made large, portable and low-cost telescopes possible using accessible materials.

What it led to

  • Rise of large-aperture amateur astronomy
  • The amateur telescope-making community
  • Commercial telescopes based on the Dobsonian design
🕸️ View in the graph

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Sources✓ verified 2026-09-28