The Meade Zero Image Shift-Electronic Micro-Focuser is made for the the LX200 telescopes equipped with the AutoStar II hand controller as well as the LS telescope equpped with the AutoStar III.
One side of the Micro-Focuser threads upon the 2"-18 rear cell of the LX200 scopes, and the other side accepts 2" push-fit eyepieces, diagonals, and accessories. A reducer adapter allowing the use of 1.25" accessories as are adapters for the rear of any Meade LX200-ACF or LS model telescope.
With the Micro-Focuser in place, you can fine tune the focus of your scope without any annoying vibrations or large focus shifts. The #1209 Micro-Focuser is controlled from the AutoStar II or III and does not require its own independent power supply.