Nasmyth telescope

The Nasmyth telescope, also called Nasmyth–Cassegrain or Cassegrain–Nasmyth, is a reflecting telescope developed by the Scottish inventor James Nasmyth in 1845^[1]. It is a modified form of a Cassegrain telescope, with light reflected sideways to an eyepiece.

^ Lemaitre, Gérard René (2009). Astronomical Optics and Elasticity Theory: Active Optics Methods. Springer-Verlag. p. 19. ISBN 978-3-540-68904-1.

[1] Lemaitre, Gérard René (2009). Astronomical Optics and Elasticity Theory: Active Optics Methods. Springer-Verlag. p. 19. ISBN 978-3-540-68904-1.

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