Night mode is an automatic setting which takes advantage of the new wide-angle camera that's in the iPhone 11 and 11 Pro models. It's equipped with a larger sensor that is able to let in more light, allowing for brighter photos when the light is low.
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iPhone Remains Flickr's Most Popular Camera in 2015 Ahead of Canon, Nikon and Samsung
The photo sharing website's cameras page lists the iPhone 6 as the most popular camera in the Flickr community, trailed by the iPhone 5s, Galaxy S5, iPhone 6 Plus and iPhone 5. Apple is the most popular camera brand on Flickr overall, ranking ahead of Samsung, Canon, Nikon, Sony, Motorola and LG.
iPhones have been the most popular smartphone cameras on Flickr for several years, which is largely unsurprising since DSLRs and some point-and-shoot cameras cannot be carried around as easily. In January 2015, Apple eclipsed Nikon to become the second most popular camera brand on Flickr.