I took the photos after dark today, only on an iPhone. The PF is a bit dark, but there are plenty of LEDs and in some modes it lights up bright white no problem, so I suspect a code update could fix any darkness issues. Or add a couple of spotlights as you say.
I'm really impressed by what Antonio has achieved. While the dramas were unfolding for the other pinball startups, he just coolly got on with it. And he's done it! Antonio took the time he needed, and that's fine. He provided regular updates, worked within his means in his own home, fixed code and parts issues. And we customers waited, no problem.
IMO this is how boutique pinball is done. Antonio is a modern, modest pinball hero, and I'll always be impressed by what he has achieved, and is yet achieving