Light Graffiti Light Graffiti from Chris Alexander Light Graffiti Shutter is a device that lets light travel for a period of time while capturing the light. Shutter speed is the amount of time the shutter is open capturing the picture of the light. Ball of Light, 2015: Camera Settings; ISO - 200 Shutter Speed - 32 seconds Aperture - f/8 Light Collage, 2015. gLike Light Graffiti Shutter is a device that lets light travel for a period of time while capturing the light. Shutter speed is the amount of time the shutter is open capturing the picture of the light. Photographic Styling Share R 7 n Chris Alexander Student Sparta Township, NJ Follow Contact