Abstract: An attachment provision is provided for exchangeable accessories for illumination bodies, which comprises an adapter plate having a receiving opening and which plate is attached to an illumination body for supporting an accessory having an axis. The adapter plate has at least two recesses for receiving and supporting an adapter flange of an accessory. The recesses are disposed at a distance, but are not disposed such that they would meet the requirements of an n-fold rotation axis with n equal to or larger than 2 for said axis. The accessory is provided with an adapter flange with at least two cam toes to grip through the recesses of the adapter plate. The cam toes are disposed at a distance, but are not disposed such that they would meet the requirements of an n-fold rotation axis directed vertically to the flange plane with n equal to or larger than 2 for said axis and where the cam toes support the accessory.

Abstract: A housing for a flash apparatus with at least one socket arranged on the housing of the apparatus for connection with flash tubes, which includes a condenser provided in the housing. On the housing there is arranged an adjustable locking device which includes at least one adjustable latching member for locking or blocking the socket for the flash tube, and also includes at least one control element which is adjustable together with the latching member. In the path of movement of the adjustable control element there is arranged a control pin of a network switch which is preferably a microswitch.