To firmly hold GamiLight lighting modifiers on your flash unit for worries free shooting.
It fits : Canon 580EX II, Nikon SB 900, Nissin Di 622 Mk2, Nissin Di 866, Mitz 54, Mitz-4i, Mitz 48 AF, Mitz 58 AF, Olympus FL50R, PN DMW-FL500, Sony HVL-F58 AM
*Ideal for short focal length zooms or prime lenses that are prone to vignetting with standard filter mounts.
*Made for B+W Clear Protection Filters, UV Haze Filters, Käsemann HTC Circular Polarizing Filters & ND Vario Filters
*Thin design—ideal for wide-angle lenses down to 17mm with a full frame DSLR
*Front thread for additional accessories, snap-in lens cap
*Exclusive MRC nano coating for the highest demands