Baader H-Alpha 7NM Narrowband CCD Filter Size::2" astigmatism and off-axis colour

astigmatism and off-axis colour

Add Celestron StarSense AutoAlign and your CPC will align itself in under 3 minutes

Skywatcher Skyliner 250PX FlexTube SynScan Wifi GoTo Parabolic Dobsonian Telescope

25” accessories so the magnification range can easily be extended with additional 1

Baader H-Alpha 7NM Narrowband CCD Filter Size::2" astigmatism and off-axis colourH Alpha 7nm CCD Narrowband Filter 1. 25", 2" and 50. 4mm unmounted CCD imagers will find that Baader's new Narrowband 7nm H Alpha pass filter delivers the absolute highest contrast deep sky images of H II regions, all with the shortest exposures possible. Its narrow 7nm FWHM bandwidth has a transmission at H Alpha of over 90%, while completely rejecting light pollution. The high optical quality of the Baader 7nm H Alpha filter guarantees no loss in