1. Wide Angle Lens: This is when a lens convers a large angle of view. 2. Reciprocity in photography: This is the relationship between ISO, shutter speed, and aperture. 3. Open shutter photography: This means taking a image while the shutter is still open which causes anything that is moving to blur. 4. Long exposure photography: A technique that involves keep the shutter open for longer than usual. 5. Light Painting Photography: the art of setting exposure times to be very long and using light to paint on images.