Lunt Solar 60mm Ha Etalon Filter for Double-Stack of All LS60T Models - LS60FHA Celestron NexImage GPS-compatible with optional SkySync GPS

GPS-compatible with optional SkySync GPS Accessory

It has a 2" standard barrel

Imagers can now gain full efficiency at H-Alpha wavelengths

CGEM DX Series

Lunt Solar 60mm Ha Etalon Filter for Double-Stack of All LS60T Models - LS60FHA Celestron NexImage GPS-compatible with optional SkySync GPSAbout the Lunt 60mm Ha Etalon Filter for Double Stacking The Lunt 60mm Ha Etalon Filter for Double Stacking is a Double Stack Etalon for all LS60FHa Filters and Lunt Telescopes. This filter does not come with a blocking filter because it is assumed the user will have one already. You cannot use this filter , single or double stacked, without the appropriate blocking filter at any time. Lunt 60mm Ha Etalon Filter for Double Stacking Features This is