ZWO Darkening Ring Set for EFW & APS-C or Full Frame ASI Cameras* - DR-D88 type-finders-polarscopes-and-brackets 8 mm x 101

8 mm x 101

power on the Sky-Watcher SynScan Pro app for Windows and take control of your mount with your computer (PC)

Generous 127 mm aperture has good light-gathering capability for galaxies

This is not an optical polar scope in that you cannot look through it

ZWO Darkening Ring Set for EFW & APS-C or Full Frame ASI Cameras* - DR-D88 type-finders-polarscopes-and-brackets 8 mm x 101The D88 Darkening Ring Set will help solve any possible light leak issue occurring in the gap between EFW 2" or 36 mm seven position filter wheels and all ASI APS C or Full Frame cameras *except the ASI461MM P, which uses the ZWO D90 Darkening Ring Set. The D88 set includes four (4) rings. All have an external diameter of 88 mm and are approximately 0. 2 mm thick. Two have an inside diameter of 55 mm and two have an inside diameter of 58 mm. The 55 mm