ASTF: AstroSolar Telescope Filters OD 5.0 Size:BAADER 5.0 OD AstroSolar® Telescope Filter 280mm 9nm and 500

9nm and 500

5mm connection to connect an external speaker for audio output when it is needed for events or classes

fixed antenna

Experience cutting-edge technology with the ZWO ASI 178MC

75 2” filter thread

ASTF: AstroSolar Telescope Filters OD 5.0 Size:BAADER 5.0 OD AstroSolar® Telescope Filter 280mm 9nm and 500ASTF: AstroSolar Telescope Filters OD 5. 0 From 80mm to 240mm Optimized for Solar Observation and Photography: Ideal for use with premium telescopes and high power tele lenses. Enables observation of the finest details, including individual sunspots, at the highest magnification levels. AstroSolar Safety Film OD 5. 0: Carefully mounted in a temperature compensated cell to ensure stress free performance. Temperature Stability: Designed to eliminate