Baader Planetarium Narrowband H-Beta Filter 8.5nm 2"
|Baader's new narrowband CCD filters deliver outstanding transmissions. |
Their sharp and narrow 7-8.5nm bandpasses totally block all light pollution and longer wavelengths, delivering the highest contrast CCD images possible at these emission lines. Baader's world-leading optical quality and coating consistency ensures maximum contrast with no loss of image sharpness.
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