Sony a7

The Sony a7, launched in 2013 at $1,700, revolutionized photography as the world's first full-frame mirrorless camera, challenging DSLR dominance with compact design. Featuring 24.3MP full-frame sensor, 5fps burst shooting, electronic viewfinder, and E-mount compatibility, it offered professional image quality in a dramatically smaller body. Positioned as a groundbreaking enthusiast camera, the a7 pioneered the mirrorless full-frame category. Today, this historic camera is revered by vintage digital collectors as the pivotal model that transformed the industry, representing the moment mirrorless technology truly challenged traditional camera design.