Digital Camera World on MSN

This low-cost light pollution filter is brilliant for beginners!

Can Hoya's budget-friendly Starscape filter reduce light pollution and take your night city shots and astro pictures to the ...
Astronomy

How do light pollution filters work?

Light pollution reduction (LPR) filters work because many outdoor lighting sources do not shine evenly across the visible spectrum. Instead, they emit radiation at only a few distinct wavelengths. For ...