Celestron 52268 C90 Mak Spotting scope (Black)br 90 mm 35 Diameter Maksutov spotting scope br Multi Coated Optics br Comes with 32 mm Eyepiece 45 Erect Image Diagonal and 8x21 Erect Image Finderscope br Compact and Portable Design br Built-in T-Adapter threads for Ease of Adapting SLR Cameras