Feature: -The Flash Soft Light Diffuser will diffuse the light output of the flash, producing softer shadows and a soft, more natural glow rather than the harsher effect when using a direct flash. The diffuser provides even coverage across the entire frame -The Light Diffuser simply slides onto and off the flash with custom fitting, without the need for touch fastener tabs. -Softens and diffuses light -Color: White Compatible Speedlight with : CANON 580EX II RT