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valy

05 Dec 2021 22:15



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RASA de 8 are doua probleme: nu e pe stoc si are planul focal foarte aproape de corector. As avea in vedere cel de 11, dar nici el nu e pe stoc si deja trece de 4000 presupunand ca asa va fi cand va reveni pe stoc.

La TS, 10" f3 e aproape 2000E: 
https://www.teleskop-express.de/shop/product_info.php/info/p6510_TS-Optics-250-mm--10---Newtonian-Primary-Mirror-f-3-made-of-SUPRAX--97---Reflectivity.html
iar corectorul e intre 200-800, de ex. asa ceva: 
https://www.teleskop-express.de/shop/product_info.php/info/p4685_ASA-2-inch-Newton-Coma-Corrector-and-0-73x-Reducer-for-Astrophotography.html
Poti merge si pe f4, mai ieftin si cu corector mai putin pretentios deci si el ar fi mai ieftin.

Cu asa ceva ar iesi 12" f2.9, doar ca tubul ar fi cam lung, 1.2m:
https://www.teleskop-express.de/shop/product_info.php/info/p2867_Orion-Optics-UK-primary---300-1200mm---f-4---1-10-Lambda.html