An extremely compact unit, the EF-20 Flash from Fujifilm is compatible with Fuji cameras featuring TTL flash exposure control and offers a guide number of 66′ at ISO 100 and 23mm. This unit has standard coverage of 23mm with APS-C format cameras which can be adjusted to 17mm with the use of the built-in wide-angle panel. Also, the EF-20 can be tilted upwards 90° for bounce capabilities. On the rear of the unit are controls for adjusting exposure compensation when necessary between -1 and +1 in 1/2 EV steps. Additionally, it runs on 2 AA batteries and has a recycle time of 4-5 seconds.