Baader Green 500nm Bandpass Filter - Round Mounted - FCFG- Size:2" Built in adjustable LED- DC

Built in adjustable LED- DC 5V

Excellent 53 degree field of view

sturdy and beautiful manual equatorial mount

Can be used between 7 - 77 degrees latitude

5mm of eye relief

Baader Green 500nm Bandpass Filter - Round Mounted - FCFG- Size:2" Built in adjustable LED- DCAbout the Baader Green 500nm Bandpass Filter Round Mounted Baader Planetarium astronomy filters by far supersede the mediocre quality of common "flame polished" color filters. A fine optical polish and 2 mm thick glass allows the Baader Green Filter to be inserted anywhere into the optical path without introducing astigmatism or other defects. For instance, they can be used in front of a binocular viewer without degrading the image in any way.