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Early Refracting Telescopes of the 1600s

Early Refracting Telescopes of the 1600s. By Gabe Taylor and Craig Dailey. How It Works. It uses two lenses to magnify and bend light to form an image Lens make farther away objects appeared close Glass is thicker in the middle in order to focus on a certain point

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Early Refracting Telescopes of the 1600s

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  1. Early Refracting Telescopes of the 1600s By Gabe Taylor and Craig Dailey

  2. How It Works • It uses two lenses to magnify and bend light to form an image • Lens make farther away objects appeared close • Glass is thicker in the middle in order to focus on a certain point • Objective lens turns image upside down

  3. Diagram

  4. Drawbacks • Some of the light reflects off the lens creating faint and unclear images • You must need large lenses in order to improve magnification • Lenses are difficult to replace and change out perfectly • Flips the image upside down

  5. History and Use • First Invented by Hans Lippershey in 1608 • In 1609 Galileo was the first to use it for scientific purposes to observe the sky • Galileo observed the rings of Saturn, four major moons of Jupiter , phases of Venus, sun spots, and other important astronomical phenomenon's • Christian Huygens developed new and improved lenses in 1654 that allowed for better observations

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