V30 cases will typically fit it. The camera hole is like 1mm off and does not block the lenses or the flash, but other than that, this one that I bought is a perfect fit.
The one I use is a brand called Super Shieldz. It's tempered glass, it went on easily on the first try, and I don't notice any haziness even with my screen at 37% brightness. I just tried different brightness settings, and they all look perfectly clear to me. Touch sensitivity is also excellent. I've had mine installed for almost 6 months at this point. On a bare phone it does stick up a bit so I would recommend using a case that goes over the edges, like this one.