Interesting new filter from Hutech - IDAS LPS-D2 - Equipment (No astrophotography) - Cloudy Nights
OSC light pollution filters that are effective through LED lighting on broadband targets - IDAS LPS-D3 "LED filter" vs standard L-Pro & its ilk - Experienced Deep Sky Imaging - Cloudy Nights
Light pollution filter shootout (IDAS-LPS D1 vs P3 vs D3) - Urban Astrophotography