"text": "Each ring has three screws spaced around the tube that center the guide scope
"text":"It equips a Celestron SkyScout with a Far-Sight quick-release pin
The telescope was re-designed sometime in the fall of 2014
The rings bolt to a D-size (Losmandy-style) dovetail plate
that axis is out of collimation
Farpoint Light Shield for 10" Dobsonian Telescopes – Zhumell Z10, Apertura AD10, Orion SkyLine 10 Celestron "text": "Each ring has threeStray light is the reason your Dob doesn't look like the eyepiece view you expected. Every open tube Newtonian has the same weakness: the front of the tube is a wide open aperture pointed at the sky and at everything else. A neighbor's porch light, a passing headlight, the Moon 40 away. That light spills down the tube wall, scatters, and lands on your secondary. You never see the source. You just see a view that's flat, milky, and low contrast, and