Bizzare problem at f/1.4 (D5+85mm f/1.4+Profoto B1)

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Biggs23 Veteran Member • Posts: 4,117
Bizzare problem at f/1.4 (D5+85mm f/1.4+Profoto B1)

I'm having a pretty unusual problem that I'm wondering if someone here has experienced before.

Using the D5 with an 85mm f/1.4  wide open and a Profoto B1 results in some weirdness. This happens every time I use this combination. Immediately after taking the photo the camera freezes for 2-4 seconds and usually displays 'err'. If I drop down to f/2 or something, there's no problem.

Any ideas?

(+4.00EV in Lightroom so that it's easier to see.)

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