Baader Planetarium 200mm AstroSolar Telescope Filter #ASTF-200

Usage: Visual solar observation and imaging at high magnification Astrosolar Film: Astro Solar Safety Film Optical Density:5 Inner Diameter / Clear Aperture:200mm Outer Diameter:290mm Filter Mounted: Yes Outer Clampingrange (10mm Bolts):230 - 260 Inner Clampingrange (10mm Bolts):250 - 280 Outer Clampingrange (20mm Bolts):220 - 250 Inner Clampingrange (20mm Bolts):260 - 290 Solar Wavelength: Whitelight (integral light) Weight:0.68kg (1.5lbs)