Lunt Solar 60mm diameter of the etalon

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Lunt Solar 60mm diameter of the etalon

Post by Kvak » Sat Dec 26, 2015 3:10 pm

Hello, is there information about diameter of the etalon of this
telescope: ... -cray.html
I think it is 35 mm, is it true ?
I'm going to do Lunt mod 90 mm.

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Re: Lunt Solar 60mm diameter of the etalon

Post by marktownley » Sat Dec 26, 2015 6:16 pm

I think it is, yes. Have a search around on here, lots of people have done this now.
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