The Skywatcher Esprit 80mm ED Triplet APO Refractor is used for wide field astrophotography where objects in the sky are too large for the Astro-Tech 14″ RC telescope. It’s 400mm focal length is perfect for getting into the field of view objects like the Orion Nebula, The Pleiades and the Andromeda Galaxy. It piggybacks onto the top of the Astro-Tech telescope which is attached to the Paramount ME II mount. Click here for more information and where to purchase