Cassegrain reflecting telescope (Q21098783)
type of reflecting telescope that uses Cassegrain mirror system
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aliases Cassegrain reflector
 Cassegrain telescope
description type of reflecting telescope that uses Cassegrain mirror system

External Links
(P227) 4708533-2
(P646) /m/06qlcq
(P4466) 202
(P7749) 8404