Which telescope produces an inverted image?

Study for the NBEO Physiological Optics Test. Prepare with flashcards and multiple-choice questions, each question has hints and explanations. Ace your exam!

Multiple Choice

Which telescope produces an inverted image?

Explanation:
Image orientation in telescopes depends on how the lenses bend the light. In a Keplerian telescope, both lenses are converging. The objective forms a real, inverted image at its focal plane, and the eyepiece then magnifies that image without flipping its orientation. The final image remains inverted. In a Galilean telescope, the eyepiece is a diverging lens, and this setup yields an upright, magnified virtual image. So the telescope design that produces an inverted image is the Keplerian one.

Image orientation in telescopes depends on how the lenses bend the light. In a Keplerian telescope, both lenses are converging. The objective forms a real, inverted image at its focal plane, and the eyepiece then magnifies that image without flipping its orientation. The final image remains inverted. In a Galilean telescope, the eyepiece is a diverging lens, and this setup yields an upright, magnified virtual image. So the telescope design that produces an inverted image is the Keplerian one.

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