Setting circles on a dob? - Getting Started Equipment Help and Advice - Stargazers Lounge
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Setting Circles For The Skywatcher EQ5
Using Your Telescope's Setting Circles
Amazon.com : Celestron – Omni XLT 150 Newtonian Reflector Telescope – Hand-Figured Refractor with XLT Optical Coatings – Manual German Equatorial EQ Mount with Setting Circles and Slow Motion Control – Includes