The EOS 400D is a digital single-lens reflex (DSLR) camera released by Canon in 2006. It features a 10.1-megapixel sensor, allowing for high-resolution images. The camera is equipped with a 2.5-inch LCD screen and offers various shooting modes, making it suitable for both beginners and more experienced photographers. This model supports Canon's EF and EF-S lenses, providing versatility in photography. It also includes an automatic cleaning system to reduce dust on the sensor. The EOS 400D is known for its user-friendly interface and solid performance, making it a popular choice among entry-level DSLR users.