This is a 4" f10 Skywatcher refractor mounted on an Orion Skyview deluxe equatorial mount. This refractor has sharp optics and it includes solid aluminum machined focuser knobs upgraded from the plastic ones. Also a 1.25" star diagonal, finder, polar alignment scope,
25mm kellner, 20mm Pro-Optic plossl, 10mm Kellner, & 6mm plossl are included. All these items are in excellent condition. $400 plus shipping.