Baader ASTF AstroSolar Telescope Filter OD 5.0 (80mm - 280mm) Size:160mm The other adds cellular capabilities

The other adds cellular capabilities to extend your control distance to any place within network coverage

is the most precise camera rotator and field de-rotator

high-contrast images

stand-by current :<5uA

Meeting the power requirements of different call distances to  save more energy

Baader ASTF AstroSolar Telescope Filter OD 5.0 (80mm - 280mm) Size:160mm The other adds cellular capabilitiesProduct Overview The Baader ASTF AstroSolar Telescope Filter provides safe, high resolution solar observation and photography capabilities for telescopes and extreme tele lenses. Optimized for high magnifications, it enables detailed viewing of individual sunspots with clear contrast and sharpness. Key Features Optical Density: OD 5. 0 AstroSolar Safety Film mounted in a stress free, temperature compensated cell Wide Compatibility: Suitable for