Coronado Telescope Eyepieces and Filters (4 Items)
Coronado 18mm Cemax 1.25" Solar Telescope Eyepiece
Coronado CEMAX 18mm Eyepiece (1.25") - for use with Coronado H-alpha Solar Telescopes and filters. 1.25" Barrel Size. Specifically designed for use at H-alpha (or Ha) wavelengths.
Coronado SolarMax II 40mm Double Stacking Etalon Filter
This add on filter reduces the normal bandwidth of a SolarMax 40 telescope or filter set from the single stack .7A performance to a more restrictive .5A, increasing visibility of surface detail and active regions on the Solar disc.
Coronado BF-10 10mm Solar Blocking Filter
Coronado BF-10 right angle (1.25" diagonal) type secondary blocking filter. The blocking filter is the second element in any Coronado H-alpha system, it is just as crucial to your safety and the system's performance as the front element.