Meade Instruments 07182 1.25-Inch Eyepiece Holder for Schimdt-Cassegrain Telescopes (Black) Threads onto the rear cell of the telescopes optical tube Eyepiece holder overall reduces the cavity so that it accepts 1.25-inch accessories Comes with some of Meades Schmidt-Cassegrain (SC) telescopes SC scopes with electric focusers do not come with this product Comes with a 1-year limited warranty