4 TRADE 90mm Solar Max Internal Etalon for External Etalon

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barnstorm
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4 TRADE 90mm Solar Max Internal Etalon for External Etalon

Post by barnstorm »

FOR TRADE 90mm Solar Max Internal Etalon for External Etalon

I have an early 90mm Solar Max II internal etalon.

I would like to trade this for an EXTERNAL 90mm etalon.

I have a 90mm Solar Max 1 (one) single-stack and there is no way to adjust the internal etalon to it is useless to me. It would seem the only way to double-stack my scope to get an external etalon so that is what I am looking for.

You can email me at [email protected]

Thanks!
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