43:38
🔍 YouTube Search Results for "telescope optics testing"
Found 14 results
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The shaping and testing of two 20-inch optical telescope mirrors
Auke Slotegraaf
12.5K views
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30:43
9:40
Ronchi and Foucault Tests on the 20" f/4.5 Quartz Telescope Mirror
GordonWaite
110.2K views
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13:03
13:59
What Makes a Great Planetary Telescope? 6 Scopes Put to the Test!
Naztronomy
283.7K views
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12:46
1:30:26
Does the tiny $400 telescope actually take the best photos? Nine telescopes tested!
Nebula Photos
167.6K views
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19:42