iOptron iPolar Electronic Polarscope for CEM40 Internal mount - 3339A-040 temp-no-channels-products If you wish to increase

If you wish to increase the magnification of these eyepieces while still maintaining their superb eye relief

it’s easy to transport your 8” RASA from Celestron to the most remote dark sky locations

The two polarizing elements on the Antares Variable Polarizing Filter can be unscrewed to obtain two polarizing filters which can be used for day time photography or to improve contrast in images when only a little reduction in transmitted light is desired

Celestron is not only changing the way we experience astronomy

Sky-Watcher 12" Quattro 300P Imaging Newtonian

iOptron iPolar Electronic Polarscope for CEM40 Internal mount - 3339A-040 temp-no-channels-products If you wish to increaseiOptron iPolar Electronic Polarscope For CEM40 Internal Installation Mount The iOptron iPolar Electronic Polarscope is a high precision easy to use polarscope which combines an optical system which detects star patterns in the night sky by means of an internal electronic camera and uses software on your PC to determine the position of the polar axis with respect to the celestial poles. This is not an optical polar scope in that you cannot look through