A LEICA M camera should be used with a flash unit which quality, design and functionality are tailored perfectly to that camera. The compact LEICA SF 20 is a high-quality electronic flash unit that completely satisfies those requirements. Its typical Leica design harmonizes beautifully with the LEICA M6 TTL and also with the LEICA R8. It can be used with TTL flash exposure control on both cameras without additional adapters. Also for automatic flash exposure control with all LEICA M and R cameras with hot shoe contacts - and of course with the earlier version of the LEICA M6. With the LEICA SF 20 you can apply your own creative control during the preparation for flash exposures. Deliberate over- and under-exposures up to three aperture stops are possible (override). All control elements on the LEICA SF 20 are arranged in a clear, logical and convenient manner. And there is a display on the back cover - which can be illuminated - that provides an overview of all the information that is relevant to the picture.