iOptron iPolar Electronic Polarscope for CEM60 Internal Mount - 3339A-060 temp-no-channels-products While most people can visually

While most people can visually see the violet color of the wavelength

Ideal projection eyepiece for afocal projection imaging

and where refractors are their sharpest)

Allows for more parfocal options with TeleVue eyepieces

iOptron iPolar Electronic Polarscope for CEM60 Internal Mount - 3339A-060 temp-no-channels-products While most people can visuallyiOptron iPolar Electronic Polarscope For CEM60 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