Abstract: The present disclosure provides a zoom device and a lighting device. The zoom device includes a first lens assembly, a connecting frame, a first gear assembly, a second gear assembly and a third gear assembly. The second gear assembly and the third gear assembly mesh with the first gear assembly and connect with the first lens assembly and the connecting frame respectively, the first lens assembly is disposed between the first lens assembly and the connecting frame, and is configured to drive the second gear assembly and the third gear assembly to adjust a distance between the first lens assembly and the connecting frame. When focusing, mechanisms located on two sides of the first gear extend and contract synchronously, a focusing distance is increased, a problem of focus lags is alleviated, fluency and efficiency is improved, and the zoom device is suitable for focusing processing of large-size lighting devices.

Abstract: The present disclosure provides a zoom device and a lighting device. The zoom device includes a first lens assembly, a connecting frame, a first gear assembly, a second gear assembly and a third gear assembly. The second gear assembly and the third gear assembly mesh with the first gear assembly and connect with the first lens assembly and the connecting frame respectively, the first lens assembly is disposed between the first lens assembly and the connecting frame, and is configured to drive the second gear assembly and the third gear assembly to adjust a distance between the first lens assembly and the connecting frame. When focusing, mechanisms located on two sides of the first gear extend and contract synchronously, a focusing distance is increased, a problem of focus lags is alleviated, fluency and efficiency is improved, and the zoom device is suitable for focusing processing of large-size lighting devices.

Abstract: This application provides a lighting accessory and a photographic lamp. The lighting accessory includes a light-transmission member, a light-shielding member and a connection assembly. The light-transmission member and the light-shielding member are both in a shape of a hollow cylinder. The light-transmission member includes a cylindrical first light-transmission surface and a flat second light-transmission surface blocked at one end of the first light-transmission surface. An inner cavity of the hollow cylinder of the light-transmission member is configured to accommodate a lamp body. The light-shielding member is arranged round an outer side of the first light-transmission surface and is spaced from the first light-transmission surface in a radial direction. The light-transmission member, the light-shielding member and the lamp body are connected through the connection assembly.

Abstract: A lighting device is provided and includes: a lamp main housing including a containing cavity, wherein a recess in communication with the containing cavity and a snap-fit structure configured to connect an optical accessory are disposed at an end of the lamp main housing, and a position of the recess corresponds to a position of the snap-fit structure; a heat dissipation device disposed in the containing cavity; a light source in heat-conduction connection with the heat dissipation device, and located inside of the containing cavity or the recess; a front-end housing including a throughout hollow cavity, wherein an end of the front-end housing is disposed on the light source, and another end of the front-end housing faces an outer side of the recess and passes through the recess; wherein light emitted by the light source passes through the hollow cavity of the front-end housing and is emitted outward.