Patent ID: 6791618
Filing Date: 2004-09-14
Classification: H04N

Abstract:
A photographing system comprising:a photographing apparatus for photographing light emitted from a sample as a two-dimensional image signal by photoelectric read means, said sample being provided within a black box shielded from light; a camera controller for controlling exposure time for photographing which is performed by said photoelectric read means; photographing-method input means for receiving input of a photographing method corresponding to the kind of said sample and/or the kind of said light emitted from said sample; temporary exposure time setting means for storing a look-up table in which the kind of said photographing method is caused to correspond to a temporary-photographing exposure time that is used to obtain an appropriate actual-photographing exposure time, obtaining said temporary-photographing exposure time in accordance with the kind of said photographing method input from said photographing-method input means by making reference to said look-up table, and for inputting the obtained temporary-photographing exposure time to said camera controller; and actual exposure time setting means for setting an actual-photographing exposure time, based on a temporary-photographing image signal obtained in temporary photographing controlled by said camera controller in accordance with said temporary-photographing exposure time and based on said temporary-photographing exposure time, and for inputting the set actual-photographing exposure time to said camera controller.