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ERF-X

Prime Focus Energy Rejection Filter for my 8" Meade LX90-ACF

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Designed in Fusion360 and Printed on Prusa MK3s a Shroud for a Centered ERF For my 8" Meade LX90-ACF. It fits a 110mm ERF Glass from DayStar, and is used with a Combo Quark to view the Sun in Hydrogen Alpha.

Update: Added a red Finger-Handle to it, and used it with my DayStar Combo Quark.

Results: As Anticipated; worked fine! Bright at around F20

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Dan Maloney wrote 04/08/2020 at 17:05 point

"SCT" == "Schmidt-Cassegrain Telescope"? Just guessing - remembering my days pouring over the Edmund Scientific catalog and looking at the telescope section.

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Ameer wrote 04/08/2020 at 18:18 point

Yes sir (= this one is the newest model of LX90-ACF

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