LEICA SF 24D is an improved flash unit with automatic guide number control. The optimized functions offered by the LEICA SF 24D make it possible to control flash exposure directly through the camera, making this unit the perfect accessory for a wide range of Leica cameras. The LEICA SF 24D is suitable for use with Leica rangefinder and SLR cameras, and can also be connected to the LEICA CM analogue compact camera and the LEICA DIGILUX 2. The flash unit automatically recognizes the type of camera to which it is connected, and adjusts itself to the relevant operating mode. Ease of use and compatibility with the full range of modern flash techniques are features of the LEICA SF 24D.