Mirror-lens objective

In the mirror-lens objectives for high-quality astrophotography, use is frequently made of systems having a correction plate/correction lens which is of approximately the same size as the concave mirror. In order to avoid this large correction plate/correction lens, use is made of a small correction...

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1. Verfasser:	BATH, KARL-LUDWIG., 7809 GUTACH, DE
Format:	Patent
Sprache:	eng
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
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