The nissin mf18 macro ring flash is the perfect flash for macro photography, enabling to you capture the finest of details with your close up subjects be it insects, textures or even teeth! This ttl capable flash also features a fine macro mode which provides you with highly precise light control from 1 128 to 1 1204 in 1 6 ev steps. Equally, in manual mode, the flash can be adjusted in 1 3 ev steps from full power down to 1 64th power. Finally, the flash is design is in two parts this allows you to adjust the power output to the lighting conditions you are in.