The original Nexus 7 didn't have rear camera. That was a choice we understood, since it's rather hard to snap a shot on a tablet without looking like a tourist from the Starship Enterprise.
No matter though, Google and Asus have opted to include a 5-megapixel snapper in the new Nexus 7. With it's relatively low MP count, and stock Android's very basic camera, it produces rather hum drum shots, but that's not what you're buying a tablet for, right?
Overall, the camera takes mediocre pictures. Colors tend to be washed out, and it struggles in bright or uneven light.
The new Nexus 7 also has a 1.2-megapixel camera, a far more essential component for Skype, Google Hangouts and other video chatting services.
As you can see, it takes an adequate, somewhat pixelated shots.