Coronado Telescope Eyepieces and Filters (5 Items)

Category

Lens elements range

Eyepiece apparent field

Filter use

Coatings

Barrel diameter

Bandwidth

User level

Eyepiece focal length range

Coronado 18mm CEMAX 1.25" Solar Telescope Eyepiece

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

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 0.7 Angstrom performance to a more restrictive 0.5 Angstrom, increasing visibility of surface detail and active regions on the Solar disc.

Coronado BF10 10mm Solar Blocking Filter

Coronado BF10 10mm Solar Blocking Filter

Coronado BF10 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.

Coronado BF15 15mm Solar Blocking Filter

Coronado BF15 15mm Solar Blocking Filter

Coronado BF15 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.

Coronado BF-30 30mm Solar Blocking Filter

Coronado BF-30 30mm Solar Blocking Filter

Coronado BF-30 (straight through) 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.