Antlia Edge 4.5nm OIII Narrowband Filter - 31 mm Unmounted type-telescope-eyepieces Sky-Watcher EQ8-R Series Polar Scope

Antlia Edge 4.5nm OIII Narrowband Filter - 31 mm Unmounted type-telescope-eyepieces Sky-Watcher EQ8-R Series Polar ScopeAntlia OIII Edge Filter Highlights: Type: Oxygen III (OIII) FWHM: 4. 5 nm CWL: 500. 7nm Filter Thickness: 2 mm + 0. 05 mm Peak Transmission: 90% Size: 31 mm Unmounted Antlia OIII 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

SKU: 49334015368 · From www.marsberger-treibhaus.de