FOTOGRAFISCHES OBJEKTIV VOM TRIPLETTYP

The lens provided for photographic compact cameras and having the relative opening of 3.5 and the focal length of 35 mm is of the triplet type with a rear shutter, the object-side lens component (L1, L2) being constructed as a composite lens. Four conditions the chromatic coma and the chromatic asti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KOELSCH, LOTHAR, SCHAEFER, K.D
Format:	Patent
Sprache:	ger
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	The lens provided for photographic compact cameras and having the relative opening of 3.5 and the focal length of 35 mm is of the triplet type with a rear shutter, the object-side lens component (L1, L2) being constructed as a composite lens. Four conditions the chromatic coma and the chromatic astigmatism are specified in order to obtain an exceptionally compact design and a balanced monochromatic correction, as well as to reduce the chromatic difference in magnification.