Coronado SolarMax 90SolarMax 90 Dedicated Solar Telescope <0.7 angstrom with BF15, 15mm back filter. Comes with the following items, Clamshell mounting ring, Sol Ranger sun finder, Travel case, and full CEMAX eyepiece set. FREE SHIPPINGThe SolarMax 90 telescope is the largest H-A telescope ever to be mass-produced and is in use around the world from private observatories to professional research facilities. Noted for incredibly sharp, contrasty H-Alpha views, and stunning detail. Even when viewing with a single eyepiece the sun appears fully animated even revealing hints of curvature, this effect is enhanced when used with bino-viewers. The SolarMax 90 telescope is compatible with most imaging systems and amateur astronomers have produced images that rival those gathered by multi million dollar systems, just see the image gallery for proof. The SolarMax 90 telescope is available in several configurations. The BF30 versions allow for straight through imaging and come with a Long Wave Pass mirror housed in a 1.25" diagonal. As the BF30 is internal the back end of the MaxScope 90 is 1.25" on both versions. Comes with the following items, Clamshell mounting ring, Sol Ranger sun finder, Travel case, and full CEMAX eyepiece set.