Non-rotating helical focuser for precise focusing of cameras and eyepieces, with T2 connection at both ends
Link:
https://www.teleskop-express.it/focheggiatori-/4980-non-rotating-helical-focuser--teleskop-service.html
o anche
https://www.teleskop-express.de/shop/product_info.php/language/en/info/p4591_TS-Optics-kurzbauender-T2-Helikal-Auszug-und-Schneckenfokussierer.html
Prezzo: 50.00 €
Vendo filtro UV Semrock Brightline acquistato in 2018 presso la ditta Optoprim in Italia. Banda di 32 nm centrato sulla lunghezza d'onda di 387 nm.
Prezzo del nuovo 662 Euro.
Prezzo: 330.00 €