Antlia Edge 4.5nm SII Narrowband Filter - 31 mm Unmounted CS Lens The "is" versions of the

The "is" versions of the Tele Vue-60

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

It works in conjunction with a third-party dew heating strip and allows the Celestron Smart DewHeater controller to deliver the right amount of warmth to your telescope's corrector to prevent dew while still preserving battery power

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

Antlia Edge 4.5nm SII Narrowband Filter - 31 mm Unmounted CS Lens The "is" versions of theAntlia 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