The Sony A7s is a full-frame mirrorless camera that was released in 2014 and was known for its excellent low light performance and high sensitivity. It has a 12.2 megapixel resolution and is capable of capturing 4K video.

One of the key features of the Sony A7s is its low light capability, thanks to its high sensitivity and wide dynamic range. It is able to capture clean, noise-free images and video in very low light conditions, making it a popular choice for photographers and videographers who need to shoot in challenging lighting situations.

The Sony A7s also has a fast and accurate autofocus system, which is helpful for capturing fast-moving subjects. It has a wide range of features and customization options, including the ability to shoot in different color profiles and record in a variety of formats.

Overall, the Sony A7s is a highly capable camera that is well-suited for a wide range of photography and videography applications.