Coronado SolarMax II 60mm Doublestack Solar Telescope with Richview System and 15mm Blocking Filter Coronado SolarMax II 60 Double Stack RichView Tuning Telescope - Mounting Rings - Cemax 25mm Eyepiece - Sol Ranger Solar Finder - Carry Case - Coronado Warranty Fully integrated 60mm f/6.6 H-alpha telescope - 400mm focal length 10mm blocking filter RichView tuning system Double Stacked for 0.5 angstrom bandpass