1920 X 1080 is pretty good for the application, but its definitely not aimed at still photography.
Surveillance photography for government and big business is a huge business.
We do not read a whole lot about it, but be aware that you either are, or will be tracked everywhere 24/7. Face recognition databases probably already have a large percentage of us in them. Department stores drool when sellers give them the pitch for a system recognizing customers as they enter the store, along with information about what they buy not only at the store, but anywhere. Some of them have been using it for a couple of years now to spot known shop lifters. Facebook, drivers licenses, our photos are everywhere, and data companies are gobbling them up.