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Celestron PowerSeeker 70AZ Manual

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Spécifications du PowerSeeker
21039 21041 21036 21044
PS 50AZ PS 60AZ PS 70AZ PS 76AZ
Conception optique Lunette Lunette Lunette Newtonien
Ouverture 50 mm (2,0 po) 60 mm (2,4 po) 70 mm (2,8 po) 76 mm (3,0 po)
Distance focale 600 mm 700 mm 700 mm 700 mm
Rapport focal f/12 f/12 f/10 f/9
Revêtements optiques
Revêtement
intégral
Revêtement
intégral
Revêtement
intégral Revêtement intégral
Chercheur 5x24 5x24 5x24 5x24
Redresseur à 90º
Prisme diagonal
24 mm (0,96 po)
Redresseur
d’images
31 mm (1,25 po)
Redresseur
d’images
31 mm (1,25 po)
s.o.
Oculaires
20 mm 0,96 po
(24 mm) (30x)
20 mm 1,25 po
(31 mm) (35x)
20 mm 1,25 po
(31 mm) (35x)
Redresseur d’image
20 mm 1,25 po
(31 mm) (35x)
12 mm 0,96 po
(24 mm) (50x)
s.o. s.o. s.o.
4 mm 0,96 po
(24 mm) (150x)
4 mm 1,25 po
(31 mm) (175x)
4 mm 1,25 po
(31 mm) (175x)
4 mm 1,25 po
(31 mm) (175x)
Champ de vision angulaire apparent -- 20 mm à 50°
-- 10 mm à 40°
Lentille de Barlow - 3x 0,96 po (24 mm) 1,25 po (31 mm) 1,25 po (31 mm) 1,25 po (31 mm)
Avec 20 mm (90x) Avec 20 mm (105x) Avec 20 mm (105x) Avec 20 mm (105x)
Avec 12 mm (105x) s.o. s.o. s.o.
Avec 4 mm (450x) Avec 4 mm (525x) Avec 4 mm (525x) Avec 4 mm (525x)
Champ de vision angulaire avec oculaire standard 20 mm 1,7° 1,4°
1,4°
1,4°
Champ de vision angulaire linéaire avec oculaire 20
mm – pi/1000 verges
89 74 74 74
Monture Altazimutale Altazimutale Altazimutale Altazimutale
Bouton de blocage de l’altitude oui oui oui oui
Manette de verrouillage de l’azimut non oui oui oui
CD-ROM « The SkyX » oui oui oui oui
Grossissement maximum utile 120x 142x 165x 180x
Magnitude limite stellaire 11,1 11,4 11,7 11,9
Résolution -- Raleigh (secondes d’arc) 2,66 2,31 1,98 1,82
Résolution -- Limite Dawes " " 2,28 1,93 1,66 1,53
Puissance de captage de la lumière 51x 73x 100x 118x
Longueur du tube optique 56 cm (22 po) 71 cm (28 po) 76 cm (30 po) 66 cm (26 po)
Poids du télescope 0,7 kg (1,5 pd) 0,9 kg (2 pd) 2,7 kg (6 pd) 3,9 kg (8,5 pd)
Remarque : Les spécifications sont sujettes à des changements sans notification ou obligation.
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