Photo Studio Photography, Indoor/Outdoor Lighting Control w/1/4" thread for mounting, easy to use comfortable grip, use with one hand.
Silver: Create catchlight and increase the exposure of the subject. Light reflected is relatively neutral and strong.
White: Fill light, brighten up the shadows to make it softer and natural. The reflection of the white surface is softer than the silver surface.
Black: Subtract light, slightly weaken the picture color saturation and make the color tone more natural.
Gold: Warm fill light ,give the picture a warm feel.