Lensbaby Creative Aperture Kit The out-of-focus specular highlights (points of bright light) in your photograph will take on the shape of the aperture inside of the Lensbaby lens. Use paper punches of various shapes (which can be found in craft stores) to punch holes in the blank aperture disks. Use paper punches of various shapes (which can be found in craft stores) to punch holes in the blank aperture disks. The heart and star aperture disks are close to the Lensbaby f/4 apertuer so adjust your camera speed accordingly.