JJC RE-H40G (40cm) Hand Held Gold / Silver Triangular Collapsible Photography Reflector with Handle JJC RE-H40G 2 in 1 of reflector which is used in photography in order to reflect light. Light from the main source (sun, studio lights or flash) is reflected from the screen, for example to illuminate shadow areas of the subject. This will shade less black / dark, which generally gives a more pleasant image. Reflection Screens come in different colors which one can argue that the color of the screen is the color of reflection.