Large-aperture lens with adjustable depth of field

The utility model belongs to the technical field of optical lenses, and particularly relates to a depth-of-field adjustable large-aperture lens, which comprises a connecting tube, an inner tube connected onto the connecting tube in a sliding manner, lens groups arranged on the connecting tube and th...

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Bibliographische Detailangaben

1. Verfasser:	YANG QUANQING
Format:	Patent
Sprache:	chi ; eng
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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