Jumelles Kowa BD56-XD 56mm XD Prominar 8x 10x 12x (BD56)
Jumelles Kowa BD56-XD 56mm XD Prominar 8x 10x 12x (BD56)
Grossissement
Why Purchase from All-Star Telescope?
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Description du produit
Objectifs XD 56 mm pour de superbes performances en basse lumière
Grands objectifs XD (ED de haute qualité) lumineux de 56 mm pour d'excellentes performances en basse lumière. La série BD56-XD reste compacte et légère même compte tenu des grands objectifs.
Ces jumelles offrent des performances optiques élevées comprenant des images claires et lumineuses, une haute résolution et un contraste élevé. Ils sont faciles à utiliser et sont parfaits pour l'observation en extérieur, en particulier dans des situations de faible luminosité - ils sont également parfaits pour l'observation du ciel nocturne.
Caractéristiques
| Modèle | BD56-8XD | BD56-10XD | BD56-12XD |
| Grossissement: | 8x | 10x | 12x |
| Diamètre effectif de l'objectif : | 56mm | 56mm | 56mm |
| Diamètre de la pupille de sortie | 7.0mm | 5,6 mm | 4,7 mm |
| Soulagement des yeux : | 23,0 mm | 18,0 mm | 16,0 mm |
| Distance minimale de mise au point : | 3.0m | 3.0m | 3.0m |
| Champ de vision réel (degrés) : | 6.0 | 5.9 | 5.5 |
| Champ de vision à 1000m/yds : | 106 | 104 | 97 |
| Luminosité relative : | 49 | 31.4 | 22.1 |
| Facteur crépusculaire : | 21.2 | 23,7 | 25,9 |
| Dimensions (Longueur x Largeur x Hauteur) : | 167 × 148,5 × 66,5 mm | 165 × 148,5 × 66,5 mm | 164 × 148,5 × 66,5 mm |
| Lester: | 1050g | 1050g | 1050g |
