B1 in HSS showing black band/curtain

Started May 8, 2017 | Discussions thread
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Alfonso Bresciani
Alfonso Bresciani Senior Member • Posts: 1,811
B1 in HSS showing black band/curtain

I was using the B1 in HSS and suddenly the camera kept shooting frames with a black band/curtain like it was out of sync. No matter how I went higher or lower with the shutter speed, as long as I was in HSS the black band from the curtain was showing at all speeds from 1/250 to 1/8000.

How did I get rid of it, I don't even remember, I might have switched to ttl and back to manual again. And then it went back to normal.

The Profoto air remote showed the HSS symbol and the camera as well when the curtain was out of sync, how can that be even possible?

Is this a common bug? How can I prevent this from happening again?

Thank you,
Best Regards

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