The Westcott Mini Apollo Softbox
fits onto any flash or small strobe and mounts just like a standard
Umbrella frame Light Modifiers allow for quick set-up, require no adapter ring, and are great for studio or on-location photography.
The Mini Apollo eliminates red-eye, brightens colors and softens
harsh light from flash. Its small size and slim profile is ideal for a
hair light or accent light.
Size: 16" (40.6 cm) square
Weight: 1 lb (.45 kg)
You can download setup instructions here