METHOD FOR PRINTING PHOTOGRAPHIC SENSITIVE MATERIAL BY USING OPTICAL FILTER

PURPOSE:To provide a printing method by which a black and white printed picture satisfactory in terms of tone reproduction width, sensitivity, etc., are obtainable, in the case of printing black and white picture on a black and white multi-level printing paper capable of being printed from color neg...

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Bibliographische Detailangaben
Hauptverfasser:	OKUJIMA KATSUO, NAKABA TOMOMICHI
Format:	Patent
Sprache:	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 AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a printing method by which a black and white printed picture satisfactory in terms of tone reproduction width, sensitivity, etc., are obtainable, in the case of printing black and white picture on a black and white multi-level printing paper capable of being printed from color negative and having a panchromatic aptitude from black and white negative. CONSTITUTION:Black and white multi-level characteristics are obtainable by using a tone conversion filter for the black and white multi-level photographic paper in a wavelength region of =1 components in the wavelength region of >=550nm is an exposing method of the black and white negatives which uses a cyan optical filter designed to have at least the transmittance of the light >=80% in a wavelength region of 400 to 525nm, the transmittance of the light