The EOS Canon Camera Model is a popular line of digital single-lens reflex cameras produced by Canon Inc. It was first released in 1987 and has since become one of the most widely used camera models in the world. The EOS stands for Electro-Optical System, which is a system that uses electrical signals to control the lens aperture and shutter speed. The EOS Canon Camera Model is known for its high-quality images, advanced features, and affordability.