What would you place on the front of an HMI lighting instrument to balance Its color temperature to that of a Tungsten lamp? Diffusion gel CTO gel CTB gel Any of the above

To balance the color temperature of an HMI lighting instrument to that of a tungsten lamp, you would typically use a gel that has a color correction purpose. The correct answer is:<br /><br />CTB gel (Color Temperature Blue gel)<br /><br />CTB gels are used to correct the blue-green color cast of HMI lights, making them more balanced with the warmer tone of tungsten lamps.