iOptron iPolar Electronic Polarscope for CEM40 Internal mount - 3339A-040 type-digital-ccd-cameras The M42 Spacer Rings are

The M42 Spacer Rings are made so as to be compatible with M42 x 0

Includes aluminum bracket that fits most smartphone brands

soft bag Camera Adaptable No SmartPhone Adapter Yes

The apochromatic performance of the TeleVue Telescope Nagler designed

You can even add more accessories to the Celestron Eyepiece and Filter Kit as you grow your collection

iOptron iPolar Electronic Polarscope for CEM40 Internal mount - 3339A-040 type-digital-ccd-cameras The M42 Spacer Rings areiOptron 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