$93.90 (as of 27/12/2020 01:27 PST details )
Features:
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium Vapor Light
- Absorbs Yellow Mercury Vapor Light
- 1.5x Filter Factor, 0.6 Stop
- Multi coating prevents internal ghosting and reflections is oil, dust, dirt, as well as scratch resistant and provides an improved beading effect with water for more efficient cleaning