Create more uses for your system camera with this ring flash, the only limit is your imagination. It includes 8 mounting rings in sizes between 40.5-77mm so the ring flash can be mounted on most cameras. There is a practical LCD display that makes it easy to set the desired settings, for example choose between 8 different light levels. It is also possible to get different color modes on the images - clear, frosted, blue or yellow because it includes 3 colored rings that can be attached to the flash. Compatible with most Canon, Nikon, Olympus, Panasonic and Pentax cameras.- Compatible with most Nikon, Canon, Panasonic, Pentax - 8 mounting rings between 40.5 - 77mm - 8 different light levels and 4 different color modes Specifications:Color: Black Material: Plastic Dimensions, packaging: 16 x 12 x 10 cm Dimensions, mounting rings: 40.5, 52, 55, 58, 62, 67, 72, 77 mm Flash length: 5 cm - 2 m Weight: 374 g The package contains:1x Ring flash 1x Control with LCD display 3x Colored rings 8x Mounting rings 40.5 - 77 mm The product is delivered in original packaging. Compatible with most Nikon, Canon, Panasonic, Pentax 8 mounting rings between 40.5 - 77mm 8 different light levels and 4 different color modes