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Stanescu Octavian

20 Feb 2014 18:17



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ah ... ca sa vezi tot soarele filtrat prin newton  e nevoie de multi bani . pui in fata cu adaptor gaura lateral http://luntsolarsystems.com/blog/the-new-ls60f-unobstructed .
sau inaintea  focarului un adaptor telecentric    ce baga lumina paralela in filtru H alpha  apoi reface focarul.
sau mai ieftin  http://www.telescopes.com/telescopes/solar-telescopes/coronadopstpersonalsolartelescopewithcasepackage1abandwidth.cfm