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telescopes

LARRY OSTRANDERLARRY OSTRANDER Club Members Posts: 2

would like to create a large telescope mirror
like a casagrane go to instrument

[email protected]

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  • WTWUKWTWUK CornwallClub Members Posts: 13,182 ✭✭✭

    A mirror made of?

    Cassegrain/Newtonian mirrors need accuracy of shape in fractions of light wavelengths to be of use...

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