The Sony Xperia 1 boasts features co-developed with Sony's professional divisions - CineAlta (which makes cameras for Hollywood movies) and Alpha (which makes Sony's top mirrorless cameras). The culmination of this is the Cinema Pro app, which leverages the three cameras and the finely-tuned screen to turn the phone into a serious videographer's tool. That's the promise, anyway, we took the app for a spin and shot the cinematic video below. In the process, we learned what the app does well and where it falls short. Before you ask, we shot all segments featured in this video mostly...