摘要:
The disclosure relates to the camera system comprises a photo-taking lens including a lens unit movable in direction other than parallel to an optcical axis of the photo-taking lens and a driver unit for driving the movable lens unit in the direction other thatn parallel to the optical axis of the photo-taking lens during a exposure operation. Therefore the camera system is capable of taking photography with special effect.
摘要:
A camera having a blurring correction apparatus according to the present invention includes a photographic lens for forming an image of an object to be photographed, a detecting apparatus for detecting the degree of movement of the formed image of the object, a correcting apparatus operative at least during exposure time for correcting the position of the image of the object in response to a detection output of the detecting apparatus so as to compensate the movement of the image of the object, a setting apparatus for setting exposure time, a calculating apparatus for calculating the amount of movement of the image of the object produced during exposure time based on the detection output of the detecting apparatus and the set exposure time, and a prohibiting apparatus for prohibiting the operation of the correcting apparatus when the amount of movement of the image of the object produced during exposure time is smaller than a predetermined value.
摘要:
A camera having a blurring correction apparatus according to the present invention includes a photographic lens for forming an image of an object to be photographed, a detecting apparatus for detecting the degree of movement of the formed image of the object, a correcting apparatus operative at least during exposure time for correcting the position of the image of the object in response to a detection output of the detecting apparatus so as to compensate the movement of the image of the object, a setting apparatus for setting exposure time, a calculating apparatus for calculating the amount of movement of the image of the object produced during exposure time based on the detection output of the detecting apparatus and the set exposure time, and a prohibiting apparatus for prohibiting the operation of the correcting apparatus when the amount of movement of the image of the object produced during exposure time is smaller than a predetermined value.
摘要:
A flash apparatus which allows flashlight photographing of various subjects in a photographing screen in appropriate exposure by simple operation without failure. The flash apparatus comprises a flashlight emitting section having a predetermined irradiation angle with respect to a light emission optical axis, and irradiating direction changing means for automatically changing the direction of the light emission optical axis of the flashlight emitting section in response to subject information such as distribution information of brightness values of or distances to subjects in a photographing screen. Also a camera is disclosed which assures photographing of a main subject with appropriate exposure even when the main subject is in a backlighted condition or when another body is positioned nearer to the camera than the main subject.
摘要:
A light measuring device, for use in a camera having an objective lens, for measuring a brightness of a spot of an object, uses an autofocus detecting system which includes an array of light receiving elements for producing charges at a rate relative to an intensity of the light impinging thereon from the object, and a light receiver provided adjacent the light receiving element array for producing a photocurrent at an amount relative to an intensity of the light impinging thereon from said object. The charges produced from the light receiving elements are integrated in a plurality of charge accumulation portions, respectively, and the charges produced by the light receiver is integrated in a capacitor. A comparator is provided for for comparing the integrated charges with a predetermined level, and for producing a stop integration signal when the integrated charges reaches the predetermined level so as to stop the integration in the first integration means. A spot brightness detector is provided for detecting the brightness of the spot of the object using the integrated charges from the capacitor.
摘要:
A contralight compensation exposure control system which determines as a contralight condition and fires a strobe when there is a difference between the output of a partial light measuring means for measuring the brightness of a portion of a scene to be photographed i.e. the brightness of the main object such as a person, and the output of an average light measuring means for measuring the brightness of comparatively large area of the scene i.e. the brightness of the subordinate object such as the background of the main object. The control circuit of the system inhibits the strobe firing and actuates an exposure compensation means to shift the controlled exposure to the overexposure side when a detecting means detect uncompletion of charging of the main capacitor for firing the strobe even if the contralight condition is detected.
摘要:
A light measuring device, for use in a camera having an objective lens, for measuring a brightness of a spot of an object, uses an autofocus detecting system which includes an array of light receiving elements for producing charges at a rate relative to an intensity of the light impinging thereon from the object, and a light receiver provided adjacent the light receiving element array for producing a photocurrent at an amount relative to an intensity of the light impinging thereon from said object. The charges produced from the light receiving elements are integrated in a plurality of charge accumulation portions, respectively, and the charges produced by the light receiver is integrated in a capacitor. A comparator is provided for comparing the integrated charges with a predetermined level, and for producing a stop integration signal when the integrated charges reaches the predetermined level so as to stop the integration in the first integration means. A spot brightness detector is provided for detecting the brightness of the sopt of the object using the integrated charges from the capacitor.
摘要:
A camera includes a manually operable member having a plurality of distance measuring areas and for switching between exposure correction and AF area and between single photographing and continuous photographing. A viewfinder of the camera displays not only an object but also the above-described respective functions displayed on a LCD and switchable by the manually operable member. As a result, a photographer is allowed to perform photographing while looking at not only the object but also the state of the various functions displayed on the LCD in the finder.
摘要:
An eyepiece lens has a single lens element having a positive optical power, and the single lens element has a refractive power of an aspherical surface and a diffractive power. The eyepiece lens satisfies the following condition:-0.0006
摘要翻译:目镜透镜具有具有正光焦度的单透镜元件,并且单透镜元件具有非球面的屈光力和衍射光焦度。 目镜透镜满足以下条件:-0.0006 <{1 /(flx nu)} + phi DOE / nu DOE <0.0002其中fl表示由目镜透镜的折射效应和衍射效应产生的焦距,nu表示阿贝 目镜透镜的数量,phi DOE表示由目镜透镜的衍射效果产生的光焦度,而nu DOE表示由目镜透镜的衍射效果产生的阿贝数当量值。
摘要:
A system that is mounted in a camera capable of focal point detection and that performs correction of the focal point detection data in accordance with the temperature, wherein the temperature inside the photo-taking lens barrel is measured and the focal point detection data is corrected based on the temperature data for the interior of the photo-taking lens barrel. Using this construction, because the temperature of a lens element comprising the photo-taking lens can be accurately measured even where the ambient temperature of the camera has suddenly changed, for example, appropriate correction suitable for the temperature conditions may be performed. Also disclosed is a construction in which the correction of the focal point detection data is performed based on not only the temperature data but also the focal length data for the photo-taking lens. Using this construction, appropriate correction suitable for the temperature conditions may be performed even when, for example, the focal length of the photo-taking lens has changed.