Abstract: The present disclosure provides a soft light box and a chuck assembly thereof. The chuck assembly includes a chuck and a rotating plate. The chuck includes a carrying ring and a sleeve. The carrying ring is arranged on the outer side of the sleeve and used to carry a plurality of umbrella ribs hingedly connected with the carrying ring. The rotating plate is rotatably sleeved on the sleeve, rotates in a circumferential direction of the sleeve, and moves up and down along the axial direction of the sleeve. The up-down motion of the rotating plate presses the hinged ends of the umbrella ribs, and drives the umbrella ribs to swing relative to the carrying ring.

Abstract: Disclosed is a photographic lamp chuck compatible with different lamp holders. The photographic lamp chuck comprises a main chuck body (100), wherein an accessory installation position is provided on the main chuck body (100), a first insertion hole (101) for accommodating a lamp holder of a first-type photographic lamp is provided in the main chuck body (100), an arc-shaped positioning face (103) and a groove body (102) are formed in an inner wall of the first insertion hole (101), a positioning inserting member (200) is movably inserted into the groove body (102), a first positioning face is arranged on the positioning inserting member (200), a second insertion hole (202) is enclosed by the first positioning face of the positioning inserting member (200) and the inner wall of the first insertion hole (101), and the second insertion hole is used for accommodating a lamp holder of a second-type photographic lamp.

Abstract: A set-top flash lamp of a camera, comprising a lamp holder (2) and a lamp cap (1). A battery accommodating cavity (4) and a battery accommodating cavity cover (3) are formed in the lamp holder (2). A lithium battery (5) is accommodated in the battery accommodating cavity (4), and the lithium battery (5) comprises an electrical output contact (6). The electrical output contact (6) is in the shape of a right-angled sheet, and is composed of end surface right-angled sides (61) and bottom surface right-angled sides (62), wherein the end surface right-angled sides (61) are located on the front end surface (51) of the lithium battery (5); and the bottom surface right-angled sides (62) are arranged on the bottom surface (52) of the lithium battery (5). An electrical access contact (7) is contained in the battery accommodating cavity (4), and is arranged on a side wall of the battery accommodating cavity (4) which is opposite to the bottom surface (52) of the lithium battery (5).

Abstract: A soft box includes a housing and a main body detachably connected to the housing by a connecting device. The connecting device includes a first locking portion and a second locking portion. An installing base is connected to the bottom of the housing and the main body is embedded in the installing base, thereby the housing can rotate around the main body. The first locking portion passes through the installing base and the main body to tightly fix with the second locking portion. The housing includes a snap-fitting member and a light passageway which is a cylindrical hole and a flash lamp cap fixing device formed therein. The flash lamp cap fixing device includes a supporting platform and a pressing plate opposite to the supporting platform and having an adjustable position relative to the supporting platform. The present disclosure can quickly disassembly and be easy to carry.