Abstract: A photometry device for a camera is provided with a normal light sensor having a plurality of photometry areas, and a plurality of photometric sensors for colorimetry. A photometry value determining system determines a photometry value at each photometry area in accordance with outputs of the normal light sensor. A colorimetric compensation value determining system determines a color of an object at each photometry area in accordance with the outputs of the photometric sensors for colorimetry, and determines a colorimetric compensation value based on the determined color. An exposure value determining system compensates for the photometry value determined by the photometry value determining system for each o photometry area, and determines an exposure value based on the compensated photometry values. The colorimetric compensation value determining system determines different threshold values, which are used for determining colors at the plurality of photometry areas, for different photometry areas.

Abstract: A photometry device for a camera is provided with a normal light sensor, an exposure amount determining system, a plurality of colorimetric sensors that detect a color of the object using light passed through a photographing lens of the camera. The calorimetric sensors have spectral sensitivity characteristics that are different from each other. The photometry device further includes an external light sensor, a light source color compensation amount determining system, a light source effect compensation system, a colorimetry compensation amount determining system, and an exposure amount compensation system. In such a device, the light source color compensation amount determining system changes the light source color compensation amount in accordance with an object distance, or the magnification of the photographing lens.

Abstract: A photometry device for a camera has a normal light metering system and a plurality of light metering systems having different spectral sensitivity characteristics. An exposure amount of an object is determined in accordance with an output of the normal light metering system. A colormetry system divides a photometry area into a plurality of areas and judges a color of the object at each of the plurality of areas. The compensation amount determining system determines the exposure compensation amounts respectively corresponding to the plurality of areas based on the color thereat. A compensation amount related to an area corresponding to a focused portion of the object. The exposure amount is compensated in accordance with the determined exposure compensation amount.

Abstract: There is provided a flash control system for a camera, which is provided with an automatic flash device which uses a predetermined appropriate amount of light to control emission of flash light, a control system that preliminarily emits the flash light, a first photometric sensors for colorimetry, a color determining system that determines the color of the object. Further, the flash control system is provided with a first colorimetric compensation value determining system which determines a first colormetric compensation value based on the determined color, and a flash control level adjusting system that adjusts the predetermined appropriate amount of light based on the first calorimetric compensation value.

Abstract: A photometry device for a camera, includes a normal light sensor having spectral sensitivity characteristics close to visual sensitivity characteristics, a plurality of colorimetric sensors having spectral sensitivity characteristics that are different from each other, an exposure amount determining system that determines an exposure amount of an object in accordance with an output of the normal light sensor, a colorimetry system that judges a color of the object in accordance with the outputs of the plurality of colorimetric sensors, and a compensation amount determining system that determines an exposure compensation amount in accordance with the color judged by the colorimetry system. The compensation amount determining system compensates for the exposure compensation amount determined by the compensation amount determining system in accordance with differences among the outputs of the plurality of colorimetric sensors.

Abstract: A photometry device for a camera is provided with a normal light sensor having spectral sensitivity characteristics close to visual sensitivity characteristics, a plurality of colorimetric sensors having spectral sensitivity characteristics that are different from those of the normal light sensor, an exposure amount determining system that determines an exposure amount of an object in accordance with an output of the normal light sensor. A color of the object is determined in accordance with the outputs of the plurality of colorimetric sensors and an external light sensor that measures an external light illuminating the object at spectral sensitivity characteristics corresponding to each of the plurality of colorimetric sensors. Then, based on the determined color, an exposure compensation amount is determined.

Abstract: A strobe control device for a camera is provided with a light amount measuring system that measures amount of light emitted by a strobe and reflected by an object, a comparing system that compares the measured light amount with a reference exposure light amount. The reference exposure light amount is determined in accordance with a reference control level, the strobe is controlled to stop emitting light when the measured light amount has reached the reference exposure light amount. The strobe control device is further provided with a colorimetry system that determines a color of the object, a reflection compensation value determining system that determines a compensation value for compensating for errors depending on a reflectivity of an object, and a compensation system that compensates for the reference control level in accordance with the reflection compensation value.

Abstract: A photometry device for a camera includes a normal light metering system having spectral sensitivity characteristics close to visual sensitivity characteristics, and a plurality of light metering systems having spectral sensitivity characteristics that are different from those of the normal light metering system. Further provided is an exposure amount determining system that determines an exposure amount of an object in accordance with an output of the normal light metering system, a colorimetry system that judges a color of the object in accordance with the outputs of said plurality of light metering systems. An exposure compensation amount is determined in accordance with the color judged by the colorimetry system, and then, the exposure amount is compensated in accordance with the exposure compensation amount.

Abstract: An AF auxiliary light projector for an AF camera includes a focus detection optical system having a first optical axis, and an AF auxiliary light projecting optical system having a second optical axis which intersects the first optical axis, the AF auxiliary light projecting optical system projecting an image having a predetermined contrast pattern onto an object. The AF auxiliary light projecting optical system includes a projector lens, a contrast pattern chart, an illumination lens, and an illumination light source, in that order. The illumination lens has an asymmetrical optical power so that an optical power of a far distance portion of the illumination lens for a far distance region of the contrast pattern chart is greater than an optical power of a near distance portion of the illumination lens for a near distance region of the contrast pattern chart.

Abstract: A photometry device has a normal light photometry sensor and a external light sensor. The normal light photometry sensor performs photometry with respect to an object. The external light sensor performs photometry with respect color components of the external light. An exposure amount of an object is determined based on an output of a normal light sensor. If a difference between the exposure values is greater than the predetermined value, a color judged in the colorimetry procedure is forcibly set to “colorless” and no substantial colorimetric compensation is performed. If the Bv difference is not greater than the predetermined value, the light source compensation data preliminary stored is used for the colorimetric compensation.

Abstract: A photometry device for a camera is provided with a normal light sensor having a plurality of photometry areas, and a plurality of photometric sensors for colorimetry. A photometry value determining system determines a photometry value at each photometry area in accordance with outputs of the normal light sensor. A colorimetric compensation value determining system determines a color of an object at each photometry area in accordance with the outputs of the photometric sensors for colorimetry, and determines a colorimetric compensation value based on the determined color. An exposure value determining system compensates for the photometry value determined by the photometry value determining system for each o photometry area, and determines an exposure value based on the compensated photometry values. The colorimetric compensation value determining system determines different threshold values, which are used for determining colors at the plurality of photometry areas, for different photometry areas.

Abstract: A photometry device for a camera is provided with a normal light sensor having a spectral sensitive characteristics close to those of a human eye, and a plurality of colorimetric sensors. The device further includes a photometry value determining system, a calorimetric compensation value determining system that determines a color of an object at each of the plurality of photometry areas and a calorimetric compensation value based on the determined color, and an exposure value determining system that compensates for the photometry value determined by the photometry value determining system for each of the plurality of photometry areas, and determines an exposure value based on the compensated photometry values. In the photometry device configured as above, the calorimetric compensation value determining system determines different colorimetric compensation values for different one of the plurality of photometry areas.

Abstract: Disclosed is a light receiver unit having a packaging cover and a light receiving element positioned in an inner space of the packaging cover wherein a resin is injected into the inner space to be solidified. The light receiver unit includes: a window hole formed on the packaging cover, a filter fixed to the packaging cover to cover the window hole, and a transparent plane-parallel plate fixed to the packaging cover to cover the filter from the inside of the packaging cover, the transparent plane-parallel plate being harder that the filter; whereby the filter is protected from any pressure caused by the injected resin.

Abstract: A photometry device for a camera is provided with a normal light sensor, an exposure amount determining system, a plurality of colorimetric sensors that detect a color of the object using light passed through a photographing lens of the camera. The calorimetric sensors have spectral sensitivity characteristics that are different from each other. The photometry device further includes an external light sensor, a light source color compensation amount determining system, a light source effect compensation system, a colorimetry compensation amount determining system, and an exposure amount compensation system. In such a device, the light source color compensation amount determining system changes the light source color compensation amount in accordance with an object distance, or the magnification of the photographing lens.

Abstract: A photometry device for a camera, includes a normal light sensor having spectral sensitivity characteristics close to visual sensitivity characteristics, a plurality of colorimetric sensors having spectral sensitivity characteristics that are different from each other, an exposure amount determining system that determines an exposure amount of an object in accordance with an output of the normal light sensor, a colorimetry system that judges a color of the object in accordance with the outputs of the plurality of colorimetric sensors, and a compensation amount determining system that determines an exposure compensation amount in accordance with the color judged by the colorimetry system. The compensation amount determining system compensates for the exposure compensation amount determined by the compensation amount determining system in accordance with differences among the outputs of the plurality of colorimetric sensors.

Abstract: A photometry device for a camera is provided with a normal light sensor having spectral sensitivity characteristics close to visual sensitivity characteristics, a plurality of colorimetric sensors having spectral sensitivity characteristics that are different from those of the normal light sensor, an exposure amount determining system that determines an exposure amount of an object in accordance with an output of the normal light sensor. A color of the object is determined in accordance with the outputs of the plurality of colorimetric sensors and an external light sensor that measures an external light illuminating the object at spectral sensitivity characteristics corresponding to each of the plurality of colorimetric sensors. Then, based on the determined color, an exposure compensation amount is determined.

Abstract: A photometry device for a camera includes a normal light metering system having spectral sensitivity characteristics close to visual sensitivity characteristics, and a plurality of light metering systems having spectral sensitivity characteristics that are different from those of the normal light metering system. Further provided is an exposure amount determining system that determines an exposure amount of an object in accordance with an output of the normal light metering system, a colorimetry system that judges a color of the object in accordance with the outputs of said plurality of light metering systems. An exposure compensation amount is determined in accordance with the color judged by the colorimetry system, and then, the exposure amount is compensated in accordance with the exposure compensation amount.

Abstract: A photometry device for a camera has a normal light metering system and a plurality of light metering systems having different spectral sensitivity characteristics. An exposure amount of an object is determined in accordance with an output of the normal light metering system. A colorimetry system divides a photometry area into a plurality of areas and judges a color of the object at each of the plurality of areas. The compensation amount determining system determines the exposure compensation amounts respectively corresponding to the plurality of areas based on the color thereat. A compensation amount related to an area corresponding to a focused portion of the object. The exposure amount is compensated in accordance with the determined exposure compensation amount.

Abstract: A photometering apparatus has a photometering apparatus having a plurality of photometering systems for measuring the brightness of an object. photometering system includes:a light receiving device in which different parts of an object are detected by a plurality of split photodetectors whose light receivers each comprise a detection area which is made separate by at least one insensitive area; a photometering optical system for projecting the image of the object onto the light receiving device; wherein the image of the object formed on the at least one insensitive area of one of the plurality of split photodetectors of one of the plurality of photometering systems is formed on the plurality of detection areas of another of the plurality of split photodetectors of another of the plurality of photometering systems.

Abstract: A photometering apparatus for a camera including a photometering sensor which receives object light transmitted through a focusing plate and measures the brightness of an object; and a focusing plate holding device which detachably holds the focusing plate includes: a discrimination device which discriminates the type of focusing plate held by the focusing plate holding device, and a controller which selects a photometering algorithm and/or a parameter corresponding to the discriminated focusing plate from a plurality of photometering algorithms and parameters.