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Solar telescope or Quark? This is the " complicated" question..

pluton

By pluton
in Observing - Solar

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Zakalwe

Zakalwe

Posted
Posted

Btw forgot to ask earlier, if the ERF, UV/IR, etc is within the scopes light path, is there any damage to the main objective, from turning it to the sun? I mean nothing has perfect transmission so some energy must be absorbed by the objective? 

You can't use a cemented or oil-spaced objective, but AFAIK, an air-spaced is fine. Neither can you use a Petzval-type scope without a front mounted ERF

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