Antlia Edge 4.5nm SII Narrowband Filter - 31 mm Unmounted CS Lens award-winning StarSense sky recognition technology

award-winning StarSense sky recognition technology uses your smartphone to analyze star patterns overhead and calculate the telescope’s position in real-time

25" and 2" eyepieces and other compatible items

with CS and C-Mount Optical Window AR Anti-reflection Glass Extra Filter – Back Focal Length 12mm Weight 85g

This Starlight Innovation Star-Chair IV is specifically designed to provide secure and comfortable seating for astronomical observations as well as other optical tasks

Antlia Edge 4.5nm SII Narrowband Filter - 31 mm Unmounted CS Lens award-winning StarSense sky recognition technologyAntlia OIII Edge Filter Highlights: Type: Sulfur (SII) FWHM: 4. 5 nm CWL: 672. 4nm Filter Thickness: 2 mm + 0. 05 mm Peak Transmission: 90% Size: 31 mm Unmounted Antlia SII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4. 5nm bandpass. The suppression of optical density (OD)5 on unwanted wavelengths and the excellent transmittance characteristics found in the Antlia 3nm Pro series has been incorporated into the 4. 5nm EDGE