Samsung has announced the Galaxy A7, a mid-range smartphone that features a rear-facing triple-camera. The new Galaxy A7 comes several months after rival Huawei launched the P20 Pro a high-end device using a triple camera in conjunction with Leica, the renowned lens and camera manufacturer. The new Galaxy A7 features a 24MP sensor and F1.7 primary camera module (with an unspecified focal length but likely a wide-angle, equivalent to 28mm) as well as an 8MP sensor with F2.4 super-wide-angle with a 120-degree field of view (equivalent to a 12.5mm). Surprisingly, unlike the Huawei P20 Pro, the third camera is not equipped with a short telephoto lens. Instead the Samsung Galaxy…