Abstract: A device for transporting slides in a horizontal plane to be projected by a slide projector. More particularly, a retaining means adapted to tolerate bowed slides by having clearance grooves for receiving the bowed slides and for permitting same to set level thereupon.

Abstract: A carrying handle arrangement for a projector housing or the like is provided wherein the handle frictionally fits with and is retained between first and second housing portions. The carrying handle is rotatable between a first upright carrying position and a second storage position wherein the handle fits within a recess defined within one of the housing portions to form a flat surface with the housing portion. The carrying handle is retained by the frictional fitting of integral bearing pins with respective bearing receivers defined in one of the housing portions.The handle and bearing receiver structures include a resilient retention arrangement defined by the frictional fit of the bearing receivers and bearing pins. The resilient retention arrangement provides a frictional fit relationship between the handle and the housing.

Abstract: An electronic flash unit for use with a camera having a manually adjustable aperture lens. The flash unit includes an exposure calculator which uses the principle of triangulation for automatically calculating the correct F stop setting for the adjustable lens. A pendulous indicator is pivotally mounted within the flash unit so as to be adjustable due to gravitational forces when the unit is aligned with the base of the subject through a sighting device on the side of the housing. The indicator is lockable in the adjusted position to indicate the appropriate aperture setting on an F stop scale. The F stop scale also is rotatably mounted on the flash unit to permit the user to rotate the scale to accommodate for the use of various films. The F stop scale is preset according to an ASA film number for the particular speed of the film being used. A stationary foot or centimeter scale also is provided to indicate the position of the subject relative to the camera in feet or centimeter dimensions.