The Lhires III spectroscope is delivered in a suitcase with an eyepiece holder (31.75mm), a network module of 2400 lines / mm and a set of tools for adjustments. The Lhires III comes with a telescope interface for Schmidt-Cassegrain. If you want to fit it on a 50.8mm (two inch) eyepiece holder, use the optional 2inch adapter. The standard CCD adapter is for ATIK cameras. We offer a wide range of adapters in our accessories catalog.