All the ones I see are reactors through water shielding, in which case you’d be fine. If you see a noticeable cherenkov effect from something that close that w

All the ones I see are reactors through water shielding, in which case you’d be fine. If you see a noticeable cherenkov effect from something that close that wasn’t heavily shielded by something like water, your camera sensor will likely be destroyed and you’d be dead pretty soon.