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SPÉCIFICATIONS DU
POWERSEEKER
Numéro de modèle 21043 21037 21048 21045 21049
Description PS 60EQ PS 70EQ PS 80EQ PS 114EQ PS 127EQ
Conception optique Lunette Lunette Lunette Newtonien Newtonien
Ouverture
60 mm
(2,4 po)
70 mm
(2,8 po)
80 mm
(3,1 po)
114 mm
(4,5 po)
127 mm
(5 po)
Distance focale 900 mm 700 mm 900 mm 900 mm 1000 mm
Rapport focal f/15 f/10 f/11 f/8 f/8
Revêtements optiques
Revêtement
intégral
Revêtement
intégral
Revêtement
intégral
Revêtement
intégral
Revêtement
intégral
Chercheur 5x24 5x24 5x24 5x24 5x24
Renvoi à 90º 31 mm (1,25 po)
Redresseur
d’images
Redresseur
d’images
Redresseur
d’images
s.o. s.o.
Oculaires 31 mm (1,25 po)
20 mm
(45x)
20mm
(35x)
20 mm
(45x)
20 mm
Redresseur
20 mm
Redresseur
Image (45x) Image (50x)
4 mm
(225x)
4 mm
(175x)
4 mm
(225x)
4 mm
(225x)
4 mm
(250x)
Lentille de Barlow 3x 1,25 po oui oui oui oui oui
Champ de vision angulaire avec oculaire 20 mm 1,1° 1,4° 1,1° 1,1° 1,0°
Champ de vision angulaire linéaire avec
oculaire 20 mm – pi/1000 verges
58 74 58 58 53
Monture Équatoriale Équatoriale Équatoriale Équatoriale Équatoriale
Cercles gradués A.D. et DÉC. oui oui oui oui oui
Câbles de contrôle lent A.D. et DÉC. oui oui oui oui oui
CD-ROM « The Sky » Niveau 1 oui oui oui oui oui
Grossissement maximum utile 142x 165x 189x 269x 300x
Magnitude limite stellaire 11,4 11,7 12,0 12,8 13,0
Résolution -- Raleigh (secondes d’arc) 2,31 1,98 1,73 1,21 1,09
Résolution – Limite Dawes " " 1,93 1,66 1,45 1,02 0,91
Puissance de captage de la lumière 73x 100x 131x 265x 329x
Contrepoids – poids approximatif (arrondi) 0,9 kg (2 lb) 1,8 kg (4 lb) 1,8kg (4 lb) 2,7kg (6 lb) 3,4 kg (7,5 lb)
Longueur du tube optique
97 cm
(38 po)
76 cm
(30 po)
94 cm
(37 po)
89 cm
(35 po)
46 cm
(18 po)
Poids du télescope
6,4 kg
(14 lb)
6,4 kg
(14 lb)
8,2 kg
(18 lb)
8,6 kg
(19 lb)
10,0 kg
(22 lb)
Remarque : Les spécifications sont sujettes à des changements sans notification ou obligation.
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