Thread: [SOLD] "Rusted" PST 40 Solar Scope
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Old 14-02-2012, 01:38 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Yes, you can double stack PST etalons. You need a special adaptor (I have drawings) BUT I found it very very sensitive and almost unworkable.
Much easier to double stack with an external etalon like a SM60 etc.