- full-featured dedicated shoe-mount flash for use with Sony DSLR cameras
- is fully wired for TTL use with Sony cameras, as well as wireless TTL (4 channels, 3 groups) use as either a master or slave flash
- rear curtain and high speed sync are both available
- power is variable from full power to 1/128, in 1/3 f-stop steps and the flash duration varies from 1/300 second at full power to 1/30000 second
- there's an X terminal for flash synchronization, as well as a USB port for firmware updates: this is a 21st century flash
- number of Flashes: 150-1500 times
- energy saving: Auto power off Off, 10, 15, 30, 45, 60 mins; Stand-by mode 30 sec.; Display off Display screen switch off
- color temperature: 5600K
- sub-flash: Manual Full - 1/8, 1Ev steps
- AF assist light distance : 0.7-10m
- external power pack socket : Nissin Power Pack PS-300 

198' (ISO100 at 105mm)

45, 60, 75, 90°

0.1-5.5 Seconds

5.27 x 2.9 x 4.3" (13.4 x 7.4 x 11 cm)

4 x AA battery