Sony announced the Xperia Z5 Premium today, boasting a 5.5″ 4K display. It was unveiled alongside the Xperia Z5 and Xperia Z5 Compact, and each offers a new 23MP 1/2.3-inch Exmor RS BSI CMOS sensor with an F2.0 lens. A new hybrid AF system claims to acquire focus in 0.03, which would make it the fastest AF system on any current smartphone camera. Read more
Articles: Digital Photography Review (dpreview.com)