Sony is one of the few manufacturers left to stick with a single-lens rear camera on its flagship smartphone and that's exactly what we see on Sony Xperia XZ3. It reserves a dual camera setup for higher-end Sony Xperia XZ2 Premium device, while Sony Xperia XZ3 has a 19 MP Motion Eye camera with an f/2.0 aperture. There have been some refinements from Sony Xperia XZ2, but hardware is same, which means there is no optical zoom and no wide angle, as you'll find on Samsung Galaxy S9+ and Apple iPhone X.
Sony Xperia XZ3 benefits from Electronic Image Stabilization (EIS) for super steady shots. Sony's effective predictive phase-detect and laser autofocus setup is also included. In use, though, camera performs phenomenally well. Images taken outdoors in unusually-bright September weather are packed with detail, with subjects outside, such as walls, trees and statues picked up beautifully. HDR mode also effectively helped subtly boost images by brightening up shadows, without losing intricate details such as cloud layers and shadows. Colors looked nice and natural, especially in low-light conditions, and images are packed with contrast. I just had one thing to say once I entered camera app, this is a great camera for stills photography!
Sony has changed front camera on this device to a 13 MP sensor offering a f/1.9 aperture and it comes with beauty modes and bokeh effects. Camera app has also been updated, something that has been a long time coming and Sony has also expanded its AI camera functionalities beyond Superior Auto and Predictive Capture with a new feature called Smart Launch, which will automatically open camera when it thinks you're picking up your device to take a photo. You'll also be able to touch the side of the curved display to take a photo.
In terms of video capture, Sony continues to offer super slow-motion at 960fps, but Sony Xperia XZ3 can do this in Full HD whereas most competitors only offer 720p. It also offers 4K HDR video capture on this device, which is a great feat for any smartphone. Videos look crisp with loads of detail and, although 4K HDR footage is capped at 30fps, I didn't notice any framerate fluctuation issues.
Overall, there's an important thing that I noticed with Sony Xperia XZ3' camera experience. There's no doubt Sony has skills to turn out excellent camera hardware, as evidenced by the fact that so many manufacturers use its sensors, but it's software and tuning that really elevates camera performance to the next level and that's where Sony falls down. Sony needs to work on camera software and post-processing of images to really transform their camera results to the level of devices like Huawei P20 Pro, Googles Pixel 2, Samsung Galaxy Note 9 or Apple's iPhone X.