Antlia Edge 4.5nm SII Narrowband Filter - 31 mm Unmounted CS Lens with CS and C-Mount Optical

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

25" and 2" eyepieces and other compatible items

If you are tired of carrying multiple power packs and dealing with a mess of power and data cables

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 with CS and C-Mount OpticalAntlia 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