Leica 14444 SF-24D TTL Flash for the R8, R9, M6, TTL/M7 Series Cameras (14444) Allows TTL-flash exposure control with LEICA R8 or R9, M6 or M7 TTL models, plus automatic flash exposure control with all other LEICA M and R cameras with central X hot-shoe contact, including Digilux 2 Information such as film speed, aperture and distance is available in the LCD, which can be illuminated at will 63 degree angle of coverage with 35mm lens in 35mm format Auto F/Stops - f/2.0, 2.8, 4.0, 5.6, 8.0 & 11 Power - Two 3-Volt CR123A lithium batteries (sold separately)