The William Optics ZenithStar61 Upgrade Mounting Rings and CAT Handle Bar are designed to work with the ZenithStar 61 refractor. This is a great upgrade to your William Optics ZenithStar 61!
Install the Mounting Rings
- Remove L Bracket on the scope
- Remove the focuser (twist it) and install the mounting rings
- Reinstall the focuser by twisting it back onto the scope