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21064 und 21069 31045 und 31051
AM 90EQ AM 130EQ
Optisches Design Refraktor Newton
Apertur 90 mm (3,5 Zoll) 130 mm (5 Zoll)
Brennweite 1000 mm 650 mm
Öffnungsverhältnis f/11 f/5
Zweispiegel-Blockierung – Durchm. - Bereich n.z. 31% - 10%
Optische Vergütung Mehrfach-Vergütung Voll vergütet
Sucherfernrohr Star Pointer Star Pointer
Zenitspiegel 1,25 Zoll Aufrechtes Bild n.z.
Okulare 1,25 Zoll 20 mm (50x) 20 mm aufrecht
Scheinbares Gesichtsfeld – 20 mm bei 50° Bild (33x)
-- 10 mm bei 40° 10 mm (100x) 10 mm (65x)
Gesichtsfeldwinkel mit 20 mm Standardokular 1,0° 1,5°
Lineares Gesichtsfeld mit 20 mm Standardokular –
Fuß/1000 Yard 53 79
Montierung Äquatorial CG3 Äquatorial CG3
RA- und DEK.-Einstellringe Ja Ja
RA- und DEK.-Zeitlupen-Kontrollkabel Ja Ja
Durchmesser Stativbein 1,25 Zoll Ja Ja
CD-ROM „The Sky“ Level 1 Ja Ja
Maximale nützliche Vergrößerung 213x 306x
Maximale Sterngröße 12,3 13,1
Auflösung – Raleigh (Bogensekunden) 1,54 1,06
Auflösung – Dawes-Grenze „ “ 1,29 0,89
Lichtsammelleistung 165x 345x
Länge des optischen Tubus 91 cm (36 Zoll) 61 cm (24 Zoll)
Gewicht des Teleskops 12,2 kg (27 lbs) 12,7 kg (28 lbs)
Hinweis: Die technischen Daten können ohne Mitteilung oder Verpflichtung geändert werden.
Hinweis: Modelle 21069 und 31051 umfassen einen Motorantrieb.
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