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Sony just released firmware updates for the F3, 5N, 5R, 6, and 7 models. Most of these updates are tweaks that improve compatability with different E-Mount lenses. I just updated my firmware and there is one big feature update that I'm pretty excited about.
With this new update there is now a much greater spread between Exposures in the bracketed shutter mode. Previously, you only had the option of 0.3, or 0.7 EV compensation.
Now, the options are 0.3, 0.7, 1.0, 2.0 and 3.0.
I've used the in camera HDR some, but was always frustrated that I had no way to do it in RAW format, or to merge the images manually. These greater Exposure spreads have been available on the newer models so this update just brings the 5N up to parity.