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One piece is a plate that is affixed to the underside of the device, and the other piece is a receiver (normally mounted to the tripod head's head mount) that is specifically designed to hold the plate. This is often achieved with a groove or a taper on the plate, and a locking release on the receiver that allows for quick removal of the device.
The camera is attached to the ball by means of quick release plate or a simple UNC 1/4"-20 [7] screw. The socket encloses the rotating ball and also contains the controls for locking the ball. The socket has a slot on the side to allow the camera to be rotated to the portrait orientation. Ball heads come in varying degrees of complexity.
Japanese cell phones increasingly diverged from global standards and trends to offer other forms of advanced services and smartphone-like functionality that were specifically tailored to the Japanese market, such as mobile payments and shopping, near-field communication (NFC) allowing mobile wallet functionality to replace smart cards for ...
The 1878 discovery that heat-ripening a gelatin emulsion greatly increased its sensitivity finally made so-called "instantaneous" snapshot exposures practical. For the first time, a tripod or other support was no longer an absolute necessity. With daylight and a fast plate or film, a small camera could be hand-held while taking the picture.
A tripod is a portable three-legged frame or stand, used as a platform for supporting the weight and maintaining the stability of some other object. The three-legged (triangular stance) design provides good stability against gravitational loads as well as horizontal shear forces , and better leverage for resisting tipping over due to lateral ...
A laboratory tripod is most commonly used in middle and high schools for basic heating experiments. [2] However, tripods and bunsen burners have been made obsolete by hot plates, which are considered to be safer since there is no direct contact with the flame. [3]