Balance any light source to any reference with this 16-filter light absorbing kit. Contains the following: E-Colour+ 201: Full CT Blue Tungsten to Daylight 3200K to 5700K (Transmission = 34%). E-Colour+ 202: 1/2 CT Blue Tungsten to Daylight 3200K to 4300K (Transmission = 55%). E-Colour+ 204: Full CT Orange Daylight to Tungsten 3200K (Transmission = 55%). E-Colour+ 205: 1/2 CT Orange Daylight to Tungsten 3800K (Transmission = 71%). E-Colour+ 209. 3 Neutral Density Reduces light 1 stop (Transmission = 51%). E-Colour+ 210. 6 Neutral Density Reduces light 2 stops (Transmission = 24%). E-Colour+ 211. 9 Neutral Density Reduces light 3 stops (Transmission = 13%). E-Colour+ 216: White Diffusion (Transmission = ). E-Colour+ 220: White Frost (Transmission = ). E-Colour+ 250: Half White Diffusion (Transmission = ).