Filters

SV224  Universal Finder Dovetail  Add a second (or third) aiming device to your telescope without turning your setup into a hardware project. The SV224 Universal Dovetail gives you a clean,...

IDAS HEUIB-II Filter: Supercharge Your H-Alpha Nebula ImagingThe IDAS HEUIB-II is not your average UV/IR-cut filter—it's a precision tool designed to bring out the finest detail in H-alpha emission nebulae....