Filtre de Densité Neutre ND 0.6 1,25" pour l'Observation de la Lune - SVBONY facebook Facilitates the observation of large

Facilitates the observation of large and high objects in the sky

Molette de réglage avec clic Stop : oui Quel est le matériau du barillet

Rapport focal : f/8

Net weight : 328 g

Type de prisme : BaK-4 Quel est le champ de vision angulaire

Filtre de Densité Neutre ND 0.6 1,25" pour l'Observation de la Lune - SVBONY facebook Facilitates the observation of largeSV139 telescope filter 1. 25 inches ND Neutral Density for lunar observation The neutral density filter reduces the amount of light reaching the film without affecting colors and reduces glare, allowing for more lunar details and surface features to be seen through your telescope. Features: Made from high definition optical glass with high light transmission Sealing ring made of aluminum alloy for better sealing and prevention of dropping or loosening