The Nikon D40 is a digital single-lens reflex (DSLR) camera introduced in 2006. It features a 6.1-megapixel sensor, which allows for high-quality images and good performance in various lighting conditions. The camera is designed for beginners, offering an easy-to-use interface and a lightweight body, making it portable for everyday photography. Equipped with a 2.5-inch LCD screen, the Nikon D40 allows users to review their photos easily. It supports a range of Nikon F-mount lenses, providing flexibility for different photography styles. The camera also includes a built-in flash and various shooting modes to help users capture stunning images effortlessly.