Solar System Filter Wheel with 0.5 SE Ha / 0.4 SE Na / 2 CaK


Quick Overview

Solar System Filter Wheel, with 0.5 SE H Alpha, 0.4 SE Sodium, and 2A Calcium K. For use with refractors, SCTs, Maksutovs. Includes front and rear plates, power supply, instructions, and hard case. Requires ERF or UV/IR cut filter, plus Powermate barlow or stop down mask to reach F/27-F/35 focal ratio for best performance (sold separately).