The EOS 5D is a digital single-lens reflex (DSLR) camera developed by Canon. Launched in 2005, it features a full-frame sensor, which allows for high-quality images with excellent detail and low-light performance. The camera is popular among both amateur and professional photographers for its versatility and robust build. The EOS 5D series has seen several iterations, including the 5D Mark II, 5D Mark III, and 5D Mark IV. Each version has introduced improvements in image quality, autofocus, and video capabilities, making it a reliable choice for various photography styles, from portrait to landscape and event photography.