Abstract: A device for holding a gaze-attracting object in a position adjacent to an electronic photographic device such as a digital camera or smart phone is provided. The device includes a body having one or a plurality first projecting members extending across a gap from a secondary projecting member. The device is positionable to an as-used position with a digital camera or smartphone engaged within the gap. Holding members projecting from the body opposite the gap, maintain an object therebetween and adjacent to the lens of the camera or smartphone or other digital photo device.

Abstract: Provided is an imaging apparatus including an imaging unit that performs imaging with an image sensor having pixels of first, second, and third colors, a luminance ratio calculation unit that integrates luminance of each of the first, second, and third colors within a focus determination region of an imaging signal output by the imaging unit and calculates a ratio of the luminance between the integrated values of the colors, a luminance normalization unit that normalizes the integrated value of the luminance of the first color within the focus determination region of the imaging signal output by the imaging unit at the ratio of the luminance between the integrated values calculated by the luminance ratio calculation unit, and a display processing unit that performs display corresponding to the integrated value of the luminance normalized by the luminance normalization unit.

Abstract: A lens-fitted photo film unit includes an electronic flash unit. A flash readiness indicator is secured to a housing, for illuminating to signal readiness of the flash unit upon charging. An attention information indicator having optical transmittance is secured to an end portion of the flash readiness indicator removably to protrude from the housing, for illuminating in response to illumination of the flash readiness indicator visibly from an object side. Also, the flash unit includes a flash light source for applying flash light to a photographic field. A flash circuit controls the flash light source. A signaling light-emitting element emits light in response to completion of charging of the flash circuit. The flash readiness indicator comprises a light conducting optical element for conducting the light from the signaling light-emitting element to an outside of the housing.

Abstract: A flash controller of a camera system includes a camera body and an interchangeable lens which is detachably attached to the camera body, the camera body including a built-in flash, the interchangeable lens being of a type which can have data communication with the camera body to output lens data on the interchangeable lens to the camera body. The flash controller includes a memory which is provided in the camera body in which data on the built-in flash are pre-stored; and a calculating device, provided in the camera body, for judging whether flashlight emitted from the built-in flash will be interrupted by a periphery of the interchangeable lens in accordance with the lens data input from the interchangeable lens and flash data input from the built-in flash.

Abstract: A lens-fitted photo film unit has an electronic flash device (11, 30; 115) with a printed circuit board (173). The flash device includes a flash-emitting section (6, 170) for emitting flash light toward a photographic field, and a main capacitor (31, 155) for storing charge to be discharged in the flash-emitting section. The printed circuit board converts a current of a battery (12, 127) into a current of high voltage to be supplied to the main capacitor. The printed circuit board has a transistor (13, Tr1) for oscillation. A primary winding (15) has one end connected to the battery, and another end connected to a collector of the transistor. A secondary winding (16) is combined in mutual induction with the primary winding, has one end connected to the main capacitor, and another end connected to a base of the transistor. A tertiary winding (17) is combined in mutual induction with the secondary winding, has one end connected to the battery, and another end connected to the base of the transistor.

Abstract: An electronic flash device including a self-oscillating charging circuit, a momentary trigger for initiating oscillations of the circuit to charge a flash capacitor, and a voltage sensing device coupled directly between the circuit and the flash capacitor for arresting the oscillations when the capacitor is fully charged. The voltage sensor includes a zener diode in series with a neon ready-light, and switches on a transistor to ground the charging circuit and arrest the oscillations when the capacitor is fully charged. Actuation of the flash device automatically restarts the oscillations and recharges the flash capacitor. A process for recycling a single use camera having such an electronic flash device also is disclosed.