A device for influencing light during the taking of photographs includes a support frame and an extensive covering wherein said support frame comprises a first stretcher rod which is attached to a first end portion of the covering and second stretcher rod which is attached to a second end portion of the covering which faces the first end portion, and wherein said support frame further comprises at least one spreader rod with end side receiving means, each having concave receiving surfaces for receiving the outer surface of respectively one stretcher rod, and wherein the at least one spreader rod with the length thereof is designed so as to retain, in the expanded state, the first stretcher rod and the second stretcher rod against the stretcher covering.