20 mm Celestron plossl eyepeice for sale. This is the eyepeice that comes with many Celestron scopes. It is about 1 1/2 years old and well taken care of. Stored with endcaps in an eyepeice case.Optics are in excellent condition with setscrew marks on the barrel. Includes endcaps and box. Asking $27 shipped. Prefer money order or paypal.