Lunt 40mm Etalon Enclosure
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Mounts a Lunt 40mm external etalon as a double stack etalon behind a Quark or other properly blocked mica etalon
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Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- Creative Commons — Attribution
This enclosure allows one to mount a Lunt 40mm etalon as a double stack etalon behind a Quark or other properly blocked mica etalon in a telecentric beam. The module will attach to itself so multiple etalons could be mounted this way, but this has not been tested. Other configurations are possible, but also not tested. Six M5x0.8 screws are used to hold the two halves together. The module begins and ends in T2 threads (M42x0.75). The 40mm etalon is attached via M60x1 threads. A Quark to T2 adapter is needed to attach the module to a Quark. Two versions of the etalon holder are included: one with a female T2 thread and one with a male T2 thread (34mm clear aperture). Choose one based on application.