Telescope with a large field of vision

Optical: systems and elements – Compound lens system – With curved reflective imaging element

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Details

359364, G02B 510, G02B 1706, G02B 2302

Patent

active

058415750

ABSTRACT:
Telescope comprising two or more reflecting elements, wherein a light beam impinging on a first reflecting element leaves through a second reflecting element, in which the shape of the reflecting surface of the second reflecting element is concave. The shape of the reflecting surface of the first reflecting element is concave. An entrance pupil is arranged in the light path in front of the first reflecting element and the first reflecting element images the entrance pupil nearly in the focus of the second reflecting element.

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