STROBOSCOPIC DEVICE CAPABLE OF INCLINING ORIENTATION DIRECTION TOWARD OPTICAL AXIS SIDE OF PHOTOGRAPHING LENS IN THE CASE OF MACRO PHOTOGRAPHING AND CAMERA
PROBLEM TO BE SOLVED: To transmit stroboscopic light to all the close photographing ranges in the case of macro photographing without using a separate member such as an exclusive flash by changing the relative positions of a reflector and a light source and inclining a light distribution direction f...
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creator | HIRANO MASAYASU TAKEDA YASUHIKO |
description | PROBLEM TO BE SOLVED: To transmit stroboscopic light to all the close photographing ranges in the case of macro photographing without using a separate member such as an exclusive flash by changing the relative positions of a reflector and a light source and inclining a light distribution direction from a light source toward the optical axis side of a photographing camera. SOLUTION: Aperture parts 3 having respectively curved shape are formed on both side walls of the reflector 1. The end part of an Xe tube 10 as a stroboscopic light source can move in parallel along the part 3. When the tube 10 is on a position 3a which is far from the front aperture part 4 of the reflector 1, a light distribution range is the smallest so as to be adequate to telephotographing. When the tube 10 is on a position 3c which is above a central line C in a vertical direction, the direction of a light beam (light distribution direction) on the central part of the light distribution range is inclined downward; so that the tube 10 is inclined to the optical axis side of the photographing lens existing in a lower side. The condition is suitable for the close-up photographing (macro photographing). |
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SOLUTION: Aperture parts 3 having respectively curved shape are formed on both side walls of the reflector 1. The end part of an Xe tube 10 as a stroboscopic light source can move in parallel along the part 3. When the tube 10 is on a position 3a which is far from the front aperture part 4 of the reflector 1, a light distribution range is the smallest so as to be adequate to telephotographing. When the tube 10 is on a position 3c which is above a central line C in a vertical direction, the direction of a light beam (light distribution direction) on the central part of the light distribution range is inclined downward; so that the tube 10 is inclined to the optical axis side of the photographing lens existing in a lower side. The condition is suitable for the close-up photographing (macro photographing).</description><edition>6</edition><language>eng</language><subject>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 ; PHOTOGRAPHY ; PHYSICS</subject><creationdate>1998</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980220&DB=EPODOC&CC=JP&NR=H1048711A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980220&DB=EPODOC&CC=JP&NR=H1048711A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HIRANO MASAYASU</creatorcontrib><creatorcontrib>TAKEDA YASUHIKO</creatorcontrib><title>STROBOSCOPIC DEVICE CAPABLE OF INCLINING ORIENTATION DIRECTION TOWARD OPTICAL AXIS SIDE OF PHOTOGRAPHING LENS IN THE CASE OF MACRO PHOTOGRAPHING AND CAMERA</title><description>PROBLEM TO BE SOLVED: To transmit stroboscopic light to all the close photographing ranges in the case of macro photographing without using a separate member such as an exclusive flash by changing the relative positions of a reflector and a light source and inclining a light distribution direction from a light source toward the optical axis side of a photographing camera. SOLUTION: Aperture parts 3 having respectively curved shape are formed on both side walls of the reflector 1. The end part of an Xe tube 10 as a stroboscopic light source can move in parallel along the part 3. When the tube 10 is on a position 3a which is far from the front aperture part 4 of the reflector 1, a light distribution range is the smallest so as to be adequate to telephotographing. When the tube 10 is on a position 3c which is above a central line C in a vertical direction, the direction of a light beam (light distribution direction) on the central part of the light distribution range is inclined downward; so that the tube 10 is inclined to the optical axis side of the photographing lens existing in a lower side. 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SOLUTION: Aperture parts 3 having respectively curved shape are formed on both side walls of the reflector 1. The end part of an Xe tube 10 as a stroboscopic light source can move in parallel along the part 3. When the tube 10 is on a position 3a which is far from the front aperture part 4 of the reflector 1, a light distribution range is the smallest so as to be adequate to telephotographing. When the tube 10 is on a position 3c which is above a central line C in a vertical direction, the direction of a light beam (light distribution direction) on the central part of the light distribution range is inclined downward; so that the tube 10 is inclined to the optical axis side of the photographing lens existing in a lower side. The condition is suitable for the close-up photographing (macro photographing).</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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subjects | 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 PHOTOGRAPHY PHYSICS |
title | STROBOSCOPIC DEVICE CAPABLE OF INCLINING ORIENTATION DIRECTION TOWARD OPTICAL AXIS SIDE OF PHOTOGRAPHING LENS IN THE CASE OF MACRO PHOTOGRAPHING AND CAMERA |
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