Light effector and flash light

A flash light, comprising a light effector, wherein the light effector comprises an adapter seat and a focusing assembly provided along an axis of the light effector;

• wherein the focusing assembly is provided with a screen sheet accommodation cavity for mounting a screen sheet, the adapter seat is capable of being assembled to an external light head, and a light transmission hole of the adapter seat, a light transmission hole of the focusing assembly, and the screen sheet accommodation cavity are located at the same axis;
• wherein the light effector further comprises a first connection member provided between the adapter seat and the light effector;
• wherein the first connection member comprises a first connection portion and a second connection portion, the first connection portion is provided on the adapter seat and the second connection portion is provided on the focusing assembly;
• wherein the second connection portion is snap-fit with the first connection portion, to limit the focusing assembly and the adapter seat in the axis of the light effector, and to make the first connection portion and the second connection portion detachable from each other;
• wherein the flash light further comprises a light head, wherein the light head is provided on an end of the adapter seat of the light effector away from the focusing assembly, and the light head is detachably connected to the adapter seat;
• and
• wherein a mounting hole adapted to an outer contour of the light head is provided in the adapter seat, and an end of the light head is inserted into the mounting hole to position the light head.