XCSOURCE® RF-550E 48 pcs LED Macro Ring Flash Light for Sony A900 A850 A550 A77 NEX7 LF397 (Electronics)
The flash works mas at all. All control buttons, only the On / Off button and buttons for varying the intensity of light work. In other words, operating in all or nothing, it is more of the intensity adjustable flashlight that flash himself since he
