Max Shutter speed
Leica D-Lux 7 can shoot continuously at max speed of
11.0 fps and has max shutter speed of
1/4000 sec. D-Lux 7 also has an electronic shutter which can shoot silently at max speed of
1/16000s. One thing to keep in mind is that electronic shutter may cause rolling shutter / jello effects, and also banding issues under artificial light on your images.
Flash
Unfortunately D-Lux 7 doesn't have a built-in flash but it has a flash shoe for mounting external flashes.
Focusing
Leica D-Lux 7 features a Contrast Detection autofocusing system. The AF system has 49 points to choose from.
Leica D-Lux 7 also features
Face detection AF where it intelligently detects the faces in the frame and locks the focus automatically.