My wife and I have iPhone 7s.
Mine takes a fine picture but my wife's rear camera occasionally is ok but for the most is completely blurry.
Tried turning on and off, restarting camera app, downloading a 3rd party camera app, installing iOS 10.1 and hard reset but none of which seem to have worked.
Seems like it is constantly in macro mode but the settings are the same as mine and my photos are fine.
Going to have to contact apple tomorrow for an exchange but just wondered if anybody here has had similar issue and is there anything I have missed and may help resolve?