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Galileo made a telescope to study the heavens. The telescope has a 37-mm diameter plano-convex objective lens with a focal length of 980 mm. According to Galileo’s writings, the original eyepiece, which was lost, was a plano-concave lens with a diameter of approximately 22 mm and a focal length of approximately 50 mm. What was its magnification and how did the image appear?

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Galileo made a telescope to study the heavens. The telescope has a 37-mm diameter plano-convex objective lens with a focal length of 980 mm. According to Galileo’s writings, the original eyepiece, which was lost, was a plano-concave lens with a diameter of approximately 22 mm and a focal length of approximately 50 mm. What was its magnification and how did the image appear?






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