Coronado CEMAX Eyepiece set - specialty eyepieces for use with Coronado H-alpha Solar Telescopes and filters. Complete set of three 1.25" diameter eyepieces with 2X Barlow. These contrast enhanced eyepieces are specifically designed for use at H-alpha (or Hα) wavelengths and allow your Coronado Solar Telescope to perform at the very best. Includes CEMAX 12mm, 18mm and 25mm focal length eyepieces and matching 2X Barlow lens.
Specifically designed for use at H-alpha (Ha) wavelengths, these specialty eyepieces and Barlow use optimized coatings to enhance contrast and minimize glare while affording excellent contrast.
The eyepieces all feature a generous 20mm eye relief, 52° apparent field of view, and rubber eye guard for comfort. Caps included
Please note: These eyepieces are NOT filters in any way. For solar observing they MUST be used in conjunction with a Coronado Hα Solar telescope or a telescope with a Coronado filter set appropriately and safely mounted.