Updated on: 26 May 2020

QUARK Hydrogen Alpha "Eyepiece" . . . HK$9,260 (accepting order 接受订货)

QUARK Calcium H-line . . . HK$9,260 (accepting order 接受订货)

QUARK Magnesium I b2-line . . . HK$9,260 (accepting order 接受订货)

QUARK Sodium D-line . . . HK$9,260 (accepting order 接受订货)

** All DayStar Ha filters assemblies applied on telescopes over 80mm aperture need to be used in conjunction with an Energy Rejection Filter

* Please ask for all other Daystar Filters items