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2.
Données Techniques
:
Type de construction: Réfracteur achromatique (2 lentilles)
Distance focale: 900mm
Diamètre de l’objectif: 90mm
Grossissement: 45 - 135 fois (selon l’oculaire utilisé)
Viseur: 6x30
Monture: Équatoriale (EQ-3) sur trépied en aluminium
réglable en hauteur
3.
Elimination de défauts :
Défaut : Aide:
Pas image Oter le capuchon protecteur
antipoussière de l'ouverture de
l'objectif.
Image pas nette Procéder à l'ajustement
micrométrique au niveau de
l'anneau du foyer
Pas d'ajustement Equilibre des températures
micrométrique possible attendre (30 min. env.)
Mauvaise image N'observez jamais à travers une vitre
Objet d'observation Ajuster chercheur
avec le chercheur, (voir ci-après Partie I – 8. Ajuster
mais non pas chercheur)
visible dans le télescope
Réajustement des axes de Télescope difficile à manier et
contrepoids à travers les tiges
Dysfonctionnement La rallonge pour oculaire présente
miroir zénith l'image Il faut un positionnement vertical
"de travers"
dans le miroir zénith
DE
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GARANTIE / WARRANTY
21


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