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DavidM
sage
Reged: 03/25/06
Posts: 217
Loc: Sohar, Oman
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Re: Coronado Helios 1 Telescope
07/05/09 02:34 AM
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I thought an unstacked PST has a 1.0 A bandwidth. The Helios is rated at 0.8 A, so it theoretically should outperform a PST in every way, unless you happen to get a really good pst etalon that makes it to 0.7A somehow.
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David
16" Meade Lightbridge
70 mm Coronado Helios 1 H-a scope
8" Celestron 8iSE
80 mm Orion EON
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