Details
#23A Light Red - Blocks blue and green light completely. Passes light longer than 600nm. This filter will block the sodium lines from low pressure sodium lights and effectively darkens the night sky from a variety of light sources including the moon. The H-apha light nebulae is passed completely. A good filter to use when the moon is up.
Additional Information
| Model | 17435 |
|---|---|
| Weight | 0.5000 |
