Foucault test 150mm
3:48
Added: 2 years ago
From: roam66x
Views: 2,329
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  • yep.... looks like a small tasco type telescope mirror to me, no parabolising, with TDE!

    mrklein66 1 month ago

  • It's cool you can "see" the air. What is the test setup?

    ZachreyCA 4 months ago

  • Nice sphere, but the edge looks turned down. What is the focal length?

    Puercobellies 9 months ago

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