Quantum Helium D3 0.3Å PE

OR

Quick Overview

0.3Å PE Quantum Solar Filter, Helium D3 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/27-F/35 focal ratio for best performance (sold separately).