How many times has that happened to you. Well, it happened to me just yesterday.
My flash did not fire and I was ridiculously underexposed. As a matter of fact the back of my camera rendered this, a black picture. Useless, or so I thought.
Then, I thought, what the hell, lets open up the exposure in lightroom and see what happens? WOW, the technology saved me, a very usable pic, but noisy as I would have expected as the sensor did not grab all the info optimally.
So there we have it. Even badly exposed pictures can be saved in the “shop”
Cheers for now and good light.