Artesky is pleased to present the 50.8mm Twist Lock protaoculars for Skywatcher Newton telescopes, this accessory screws on the thread of the original focuser in Skywatcher Newton telescopes (150PDS, 200PDS, 250PDS, 300PDS, QUATTRO8S, QUATTRO10S, QUATTRO12S and similar that share the same focuser thread; allows you to use any accessory with a diameter of 50.8mm (2 ").
