Benefits:
+ Perfect interaction with the camera (Sony A7)
+ Very good workmanship
+ Practical bag for belt attachment is included
+ Many functions that are needed HSS flashes, Quickshift Bounce etc.
Disadvantages:
- Plastic hot shoe (for the price you can already expect metal as in Metz Flash)
- Weight
- Poor manual
Anyone who wants to get an impression of the flash should be to briefly look at the YouTube video, entitled:
"Sony A7 / r / s Accessories, Accessories" -> Check Marks. Also you can see the best short flashes for Sony A7, A7R and A7s and a price tip, offering the best value for money ...
Enjoy lightning :-)