Apple was the subject of a wide ranging but not very hard hitting 60 Minutes segment on Sunday night. Charlie Rose steered the conversation through topics that Apple and its CEO Tim Cook have addressed repeatedly over the last few years. (Yeah, those Steve Jobs questions just keep coming.) But the episode did reveal one semi-interesting new detail: Apple now says there are 800 people solely dedicated to working on the iPhone's camera.
http://www.theverge.com/2015/12/20/10631330/iphone-camera-team-800-people
Considering that they're buying in 3rd party sensors and hardware, you really have to wonder if Apple's extreme profitability has lead to extreme overstaffing? After all, we're talking about tiny and cheap 1/3" sensor?
For the record, iPhone 6S images still look like they're been taken by a smartphone with a 1/3" sensor. Not wonderful at all. Other than the incomparable 3rd party app ecosystem, which has nothing to do with these 800 employees at Apple, there isn't anything all that remarkable about the camera on the iPhone.
We don't know what these blokes are doing but it doesn't make much of a difference to the end user. My guess is that Apple could get by with 80 as opposed to 800.