The Nissin i40 Flash is a shoe-mounted, compact flash unit designed for Canon cameras featuring E-TTL / E-TTL II functionality. It features a guide number of 131' at ISO 100 and in the 105mm position for providing excellent coverage within a zoom range of 24 to 105mm, or down to 16mm with the built-in wide-angle diffuser. Also, this unit features an LED light suited for video work with 9 output levels.
For control of the light during use, the flash head is able to tilt upwards 90 and can rotate 180 in both directions, giving you complete 360 coverage. There is also wireless TTL functionality which will allow you to implement this flash off-camera in combination with other units. The i40 features full manual control and a range of modes for getting the look you desire from your lighting.
These include slow-speed, high-speed, 1st and 2nd curtain synchronization in addition to variable power from 1/1 to 1/256. The flash runs on 4 AA batteries and includes an external diffuser, soft case, and stand.