Thread: Portable refractor doublet for imaging
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Old 19-04-2018, 08:11 AM
AstroApprentice (Jason)
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Join Date: Dec 2015
Location: Melbourne, Australia
Posts: 349
Hi Stefan,
I noticed an ex-demo GT 71 at WO. Around twice the price of an Evostar 72, but it's a triplet containing FPL-53:
https://williamoptics.com/special/de...for-star-party
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