William Optics 1.25" RotoLock Adapter upgrades your telescope with a quick and robust way of using 1.25" accessory. Just rotate the adapter ring clockwise to securely lock any inserted accessory, or rotate counter-clockwise to quickly release the accessory.

The innovative design ensures that your accessory is solidly held and is perfectly centered every time. No thumbscrews to worry about! The internal ball bearings and detents make this adapter a joy to use!