Tailor-made for Sony Alpha DSLR / SLT users, Yongnuo YN560S is a Sony version of its YN560. Its hotshoe fits all Sony Alpha DSLR / SLT cameras and Nex 7.
If you are looking for a solid performance flash that also have versatile functions, then the Yongnuo YN560S is just for you. It comes with a guide number of 58 and full power output recycling time of only 3 seconds (using alkaline batteries). With the YN560S flash, the long anxious wait for the flash to recharge will no longer be a problem
This flash also comes with hot shoe, PC-sync and external battery pack connection ports. You can attach the flash to a wider range of camera and flash triggers. The battery pack in this link can be used. Testing has shown that the battery pack improves recycling time by 1 second and battery capacity by over 100%.
Fine Tune Power control
Output power can be easily fine tuned by 57 different levels from 1/128 all the way up to full power.
Apart from being a manual flash, this flash can also be used as optical slave flash. It will detect light emitted from the master flash and correspond simultaneously.
Zoom and bounce
Zoom button on the control panel allows you to manually adjust the flash head zoom from 24mm up to 105mm. Flash head can be rotated 270 degree horizontally and over 90 degree vertically, you can bounce the flash of a wall or a reflector with ease.