Since its introduction, the iPad has been an essential tool for many professional photographers. It is incredibly useful for displaying images during a shoot, showing portfolios to clients, and even light editing. For photographers hoping to leave their laptops at home, the introduction of the iPad Pro held a lot of promise. While the new model is an impressive upgrade, the tablet still lacks some key features that professional and enthusiast photographers have come to rely on. Starting with the good — the new iPad is fast and powerful. It features a high-resolution 12.9-inch Retina display, 4GB of RAM and…