iOptron iPolar Electronic Polarscope for CEM40 Internal mount - 3339A-040 type-digital-ccd-cameras With the NexStar 90'''s you

With the NexStar 90'''s you can see breathtaking views of the lunar landscape

Choose one of the visible stars listed and use the latitude adjustment screws to center it in the eyepiece

The new 2" Clicklock non-marring eyepiece holder delivers the same acclaimed simplicity and security as its smaller 1

Includes aluminum bracket that fits most smartphone brands

20") Diopter Adjustment Range ± 3 diopters Twilight Factor 17

iOptron iPolar Electronic Polarscope for CEM40 Internal mount - 3339A-040 type-digital-ccd-cameras With the NexStar 90'''s youiOptron 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