Produits de la même famille
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Description du produit
La série SkyMaster de Celestron de jumelles à grande ouverture est une valeur phénoménale pour les jumelles hautes performances.
Idéal pour l'observation astronomique ou pour une utilisation terrestre (terrestre), en particulier sur de longues distances. Les modèles SkyMaster sont dotés de prismes BaK-4 de haute qualité et d'optiques multicouches pour un contraste amélioré. Celestron a conçu et conçu les plus grands modèles SkyMaster pour répondre aux exigences particulières des sessions d'observation astronomiques ou terrestres prolongées.
Caractéristiques
| Grossissement: | 8x |
| Diamètre de la lentille d'objectif : | 56mm (2.20") |
| Champ de vision angulaire : | 5.8° |
| Champ de vision linéaire (@1000 yds) / @1000 m): | 305 pi (102 m) |
| Élève de sortie : | 7mm (.27") |
| Soulagement des yeux : | 18 mm (0,71") |
| Mise au point rapprochée : | 25 pi (7,6 m) |
| Distance interpupillaire (max): | 72mm (2.83") |
| Distance interpupillaire (min): | 58mm (2.28") |
| Plage de réglage dioptrique : | ±4 |
| Facteur crépusculaire : | 21.16 |
| Luminosité relative : | 49 |
| Limitation de la magnitude stellaire : | Idéal : 11.24 Modéré : 10,24 Médiocre : 9,24 |
| Revêtements de lentille : | Entièrement multicouche |
| Verre à prisme (type) : | BaK-4 |
| Revêtements de prisme : | N / A |
| Lester: | 38 onces (1077 g) |
| Protection environnementale: | Imperméable |
| Rempli d'azote : | Oui |
| Adaptable sur trépied : | Oui |
| Mallette de transport: | Nylon de luxe |
| Dimensions: | 180 mm x 74 mm x 190 mm (7,1" x 2,9" x 7,5") |