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Sunspotter Wooden Folded Keplerian Telescope For Students
Sunspotter Wooden Folded Keplerian Telescope For Students

Sunspotter Wooden Folded Keplerian Telescope For Students

$ 266.61

Availability: 42 in stock
  • Material: Wood
  • Condition: New
  • Return shipping will be paid by: Buyer
  • MPN: LT-70
  • Bundle Listing: No
  • Brand: SCIENCE FIRST
  • Item must be returned within: 30 Days
  • Country/Region of Manufacture: China
  • Refund will be given as: Money back or replacement (buyer's choice)
  • All returns accepted: Returns Accepted

    Description

    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 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.
    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