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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Hauptverfasser: HIRANO MASAYASU, TAKEDA YASUHIKO
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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. 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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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