Baader Planetarium Narrowband Oxygen-III Filter 8.5nm 1.25"
|Baader's 1.25" O-III narrowband CCD filter delivers outstanding transmission with a sharp and narrow 8.5nm bandpass that totally blocks all light pollution and longer wavelengths. |
Delivers the highest contrast CCD images possible at the 7-8.5nm emission lines. Baader's world-leading optical quality and coating consistency ensures maximum contrast with no loss of image sharpness.