Filtre OIII 5nm 2" pour la photographie CCD en astronomie - SVBONY telescope providing sharper and more detailed svbony-W9157B Variant:60°40° Prism type Porro BaK4
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Filtre OIII 5nm 2" pour la photographie CCD en astronomie SVBONY telescope providing sharper and more detailed svbony W9157B Variant:60°40° Prism type Porro BaK4 providing sharper and more detailed images for moon and planet observation Solves spacing issues in astrophotography