DEPTH-OF-FIELD EXPANSION FILTER AND MANUFACTURING METHOD

To improve a developed apodization filter (a filter for reducing light transmittance produced by a photo manufacturing method using a high resolution glass dry plate from a center to a periphery in a stepwise manner) by utilizing a principle of a wide range of far and near focus that is called a pan...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MORIMOTO YOSHINOBU
Format:	Patent
Sprache:	eng ; jpn
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 ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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