ZWO Holder Ring for ASI Cooled Cameras (ZWO-NEWRINGD78) Mono 81% Optical Coatings: Fully Coated

81% Optical Coatings: Fully Coated Optical Tube Length: 914mm (36") Optical Tube Weight: 22 lbs (9

While the difference is only 1

Al has massaged more eye-relief

This path in the sky is called the ecliptic

High power views will provide flatter fields all the way to the edge

ZWO Holder Ring for ASI Cooled Cameras (ZWO-NEWRINGD78) Mono 81% Optical Coatings: Fully CoatedZWO Holder Ring for ZWO ASI PRO COOLED CAMERAS with approx 78mm diameter. To easily mount the camera onto the tripod, simply loosen the M6 screw on the side of the holder ring. Done! Currently compatible with the following ZWO cameras: ASI1600 Pro ASI183 Pro ASI294 Pro ASI533 Pro ASI178 Cooled cameras ASI174 Cooled cameras ASI385MC cooled cameras NOTICE: ASI094, ASI128 & ASI071 Pro cameras require 86mm holder ring.