The background in flash pictures is far too dark. Whats wrong?
It could be that the shutter speed selected is too fast for the available ambient light. Use a slower shutter speed. Backgrounds that are very dim or very bright are interpreted as average in terms of brightness when metered with your camera’s light meter or a hand held meter. With an very dim background, close down your aperture or use the exposure compensation dial to decrease the exposure by 1/2 to 1 1 /2 stops depending on how dark the background is. With a very bright background, the reverse is required.