Vixen Optics 39952 A80Mf Telescope and Porta II Mount (White) Optical Design: Achromatic Refractor Focal Length: 910mm;f/11.4 Coating: Multi Coating Telescope Attachment: Dove Tail Plate Accessories: Flexible Slow Motion Handles (2) Vixen A80Mf 80mm Telescope Includes finder scope, 2 eyepieces and Diagonal Prism Diagonal Prism and Dew Shield Complete tube rings and Vixen's Universal Dovetail Plate Porta II Mount with locking extension legs, accessory tray and flexible handle slow motion control.