PAUL WOOTTON / SCIENCE PHOTO LIBRARY PAUL WOOTTON / SCIENCE PHOTO LIBRARY
Telescope reflector. Cutaway computer artwork of a telescope with a Maksutov Cassegrain reflector. The red arrows represent beams of light that pass through the telescope's meniscus lens (blue, top) and are reflected to the eyepiece (bottom) using concave (lower centre, white) and convex (upper centre, also white) mirrors.
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