Product Highlights MODEL NO MF18 F/NIKON The Nissin MF18 Macro Ring Flash for Nikon is a ring light flash, specifically designed for use with Nikon cameras with i-TTL capabilities. Featuring a Fine Macro mode, this flash provides highly precise light control from 1/128 to 1/1204 in 1/6 EV steps, to achieve the greatest accuracy. When used in manual mode, the flash can be adjusted in 1/3 EV steps   WARRANTY 1 YEAR