Daystar Instruments QUARK Magnesium I b2 line filter

OR

Quick Overview

Daystar Instruments QUARK MgI b2 line "Eyepiece"


Now shipping.


By popular demand, we are introducing a Magnesium I b2 line version of the Quark, for use in refractors F/4-F/9.  Magnesium shows high contrast between granulation and spicule boundary in addition to plague emission.