Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Lumicon Filters and other Telescopes topics.
Deep-sky filters effectively block all mercury-vapor and high and low pressure sodium-vapor lamp light, neon lights, and airglow, while allowing the rest of the visible spectrum through. They are essential for astrophotography and better visibility into deep space.
Guru Spotlight |
Ray Lokar |