Fits nearly all shoe-mount flash units. Incredibly strong universal grip system. Large round-shaped diffuser minimizes need for flash brackets. Easily fits into a camera bag folding down to only 13rd of its original height. Gel system matches outgoing light to ambient room light or enhances black & white image contrast. Chrome Dome increases flash output without sacrificing the softening qualities of the diffusion material. Amber Dome warms the light from your electronic flash for balancing color at dusk or early morning in interiors with tungsten lighting at sunset or for warming your subject in open shade.