Filter clear aperture | 128.5mm |
Filter diameter (external) | 184mm |
Filter diameter (internal) | 174mm |
Filter material | Scratch resistant polymer produced by American Paper Optics |
Filter thickness | 24mm |
Nylon safety straps | Two 1” x 4” Velcro straps, Four 1” x 1” Velcro Tabs |
Telescope Compatibility | Celestron 6” Schmidt-Cassegrain Telescopes |
Weight | 2.6 oz (74 g) |