A Galilean telescope is defined as having one convex lens and one concave lens, vintage line drawing or engraving illustration Stock Vector Image & Art - Alamy
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Galileo's telescopes Serious errors and inconsistencies in the specifications of the optics and dimensions of has been found in the literature. Griffith Observatory and Adler planetarium replicas
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Figure 2 from Design of Galilean-type telescope systems. | Semantic Scholar
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