The translucent umbrellas can be used either as a shoot through or bounce light to reduce shadows and produce an even, soft, low contrast light over a relatively large area. For shoot through, it allows approximately 50% light transmission. It acts like a very large soft box at a very low cost. the umbrellas soften, broaden and diffuse the light output of any tungsten or studio flash source. It is perfect for photographers on the go for indoor or outdoor portrait photograph.