The 7RM4A (official model: ILCE-7RM4A) is the Sony Alpha 7R IV A, a professional full-frame mirrorless camera focused on ultra-high resolution photography. It features a 61-megapixel Exmor R CMOS sensor, fast Hybrid Autofocus with Real-time Eye AF, 10 fps continuous shooting, and 4K video recording. The “A” version is an updated model of the original A7R IV, mainly adding a higher-resolution LCD screen and improved USB connectivity. It is widely used for landscape, commercial, studio, wildlife, and detailed portrait photography.