The Sony Xperia Z1 offers a 1/2.3-inch sensor — the same size found in most consumer compact cameras and significantly larger than the 1/3-inch sensors common in smartphones. The comparatively large sensor is combined with a high pixel count of 20.7MP, a fast F2.0 lens and a physical shutter button. We put the Xperia Z1 through our rigorous testing regimen. Read our review on connect.dpreview.com.