The Sunspotter is an innovative, wooden, folded-Keplerian telescope that uses a system of mirrors and a powerful 62mm objective lens to project a brilliant 3" solar image onto a white viewing screen. -- Easily aligned to the sun in seconds, you'll spend hours gazing in fascination as sunspots appear, move across the surface of the sun and then vanish. -- Trace the images and compare the changes the sun's surface goes through hour by hour or day by day. Elegantly simple to use, easy to set up, and completely safe. -- Objective lens: 2-element achromat, 700 mm FL, fully coated. -- Objective aperture: 61.7 mm diameter, stopped down to 57.0. -- Mirrors: 50 mm x 50 mm x 10 mm, two @ 25 mm x 25 mm x 5 mm, -- Field lens: 4-element, 12.5 FL Plossl, fully coated, 10 mm aperture. -- Weight: 6.6 lbs. |
