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Equipment Discussions >> ATM, Optics and DIY Forum

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professor emeritus

Reged: 09/13/10

Loc: Whitefield, Maine
6 f/8 back from coater
      #5629011 - 01/17/13 10:25 PM

I made a 6 f/8 for a friend, and got the surface about as smooth and true as I could without spending too much time. Came back p-v 1/8.1, .976 Strehl.

Wish I had spent more time on it, and I could have scratched it and improved the Strehl to .90

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