Filtre CLS 2 pouces Svbony Anti-Pollution Lumineuse pour Astrophotographie autopostr_instagram_68716 Blackened lens edges to reduce

Blackened lens edges to reduce stray reflections and maximize contrast

Compatible avec tous les télescopes acceptant les accessoires en 1

Outer diameter: 56 mm

idéale pour les environnements extérieurs humides ou poussiéreux

Filtre CLS 2 pouces Svbony Anti-Pollution Lumineuse pour Astrophotographie autopostr_instagram_68716 Blackened lens edges to reduceThe 2" Svbony CLS filter is designed to reduce light pollution and enhance the contrast of your astronomical images. With its assisted ionic deposition coating technology, this filter offers exceptional durability and scratch resistance. Features 90% transmission of the main nebula emission lines (Ha 656nm, OIII 496nm 500nm, SII672nm, and H beta 486nm) 0. 1% transmission of the main lines of artificial light pollution (Na 589nm, Hg 435nm, and 578nm)