
I don't understand the low reviews. It worked 100% in all areas without any problems. I use Nikon D750 and Nikon D610. HSS works without any problems at all. I have used in my studio and at two different weddings. Lots of battery life. I bought a second battery but didn't have a chance to use it. I don't store with the battery connected. Outdoors and in the studio I used a shutter speed of 4000 seconds to shoot from f1.8 to f2.8 with a Nikon 85mm f1.4 lens. Maybe I just got a good one. I have now ordered 3 more, it was worth it.

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