1. A lighting fixture comprising: a solid state lighting source that is responsive to a drive signal; an image sensor configured to capture an image during an image capture period in response to an image capture signal; and control system configured to: during an on state, control the drive signal such that light for general illumination is emitted from the solid state lighting source; during an off state, control the drive signal such that no light is emitted from the solid state lighting source; and when capturing the image: provide the image capture signal; and control the drive signal such that light for image capture is continuously emitted from the solid state lighting source throughout the image capture period, wherein images are captured at different times throughout the on state and the off state.