If you are a serious photographer, you may want to invest in a high-end camera such as the Sony A7S III. While it is feasible to increase the professional tone of your photograph without the use of an external flash, it is practically impossible without one.
A flash that has wireless remote control, a sturdy metal shoe, and a quick response time could be the greatest flash for any camera on the market today.
So, We’ve already listed down the best flash for your Sony a7S III.
Best Flash for Sony a7s III