Celestron 52268 C90 Mak Spotting scope (Black) Multi Coated Optics Maksutov-Cassegrain Optical Design Compact and Portable Design Erect Image System for Terrestrial and Astronomical Use Built-in T-Adapter threads for Ease of Adapting SLR Cameras Comes with 32 mm Eyepiece, 45 Erect Image Diagonal and 8x21 Erect Image Finderscope Backpack Made of Nylon