Image stabilisation also critical , allowing use slower shutter speeds without need tripod , expanding light-gathering capabilities.What shutter speed use low light ? As rule , try use slow shutter speed possible low light order maximise amount light hits sensor.If 're using stable camera support like tripod , shutter speeds potentially use effectively indefinite thanks Bulb mode ; aware subjects moving front lens blurred near-invisibility.If 're shooting hand-held , slowest shutter speed depend camera.Common wisdom among photographers n't use shutter speed slower focal length lens order guarantee sharp image.So , 're shooting 500mm lens stay shutter speeds least 1/500sec , keep 1/60sec 60mm focal length , etc.However , image stabilisation systems digital cameras changed game bit , provide advantage 2-4 stops , even , enable use slower shutter speeds .