RF 550 Series Macro Led Ring Flash Light for dslr Visual LCD display with high definition ... ring flash can be mounted on a camera as photography light.6. It is designed and molded on the ... and operation 7. Eight diameters of adapter rings for alternative use 49mm,52mm,55mm,58mm,62mm,67mm,72mm ... , 77mm8. Four colors of flash diffusers for alternative use orange,blue, oyster white, and transparent ...