Sunspotter Wooden Folded Keplerian Telescope For Students

Sunspotter Wooden Folded Keplerian Telescope For Students

Trusted, Inspired, Educational & Fun Wooden Folded Sunspotter Keplerian Telescope For Kids 3112800 The Sunspotter – is an innovative, wooden, folded-Keplerian telescope that uses a system of mirrors and a strong 62mm objective lens to project a brilliant 3 solar image onto a white viewing screen. Easily aligned to the sun in seconds, you can spend hours gazing in fascination as sunspots appear, move around the surface of the sun after which vanish. Trace the photographs and compare the changes the sun’s surface is going through hour by hour or day-to-day. Elegantly simple to make use of, simple to set up, and completely protected. Features: 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, <1/4 wave Field lens: 4-element, 12.5 FL Plossl, fully coated, 10 mm aperture Weight: 6.6 lbs

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