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by Ron Scarboro
Wed Feb 15, 2017 4:21 pm
Forum: Solar Astronomy Shop and Swap
Topic: Wanted - Coronado 60mm Etalon
Replies: 0
Views: 9224

Wanted - Coronado 60mm Etalon

I'm looking for a "Pre-Meade" 6 :bow 0mm Etalon for double stacking (triple stacking experiment actually). I do not need a blocking filter. Additionally, I intend to machine a dedicated housing, so it can be cosmetically challenged. I do want a well performing etalon, and I'd like to have the T-Max ...