Quantum Calcium II K 2Å PE


Quick Overview

2.0Å PE Quantum Solar Filter, Calcium K line. For use with refractors, SCTs, Maksutovs. Includes front and rear plates, power supply, instructions, and hard case. Requires UV/IR cut filter, plus Powermate barlow or stop down mask to reach F/13-F/35 focal ratio for best performance (sold separately).