Photo: Morio (CC BY-SA 3.0)
About this camera
The Sony A7R is a professional-grade mirrorless camera with a full-frame sensor, introduced in 2013. Resolution is 36.4MP, lenses attach via the Sony E-mount, and the camera was one of the first two full-frame E-mount bodies. It is aimed at professional users, and as a 2013-era design it is now mostly a used-market option.