A Nikon DSLR (Digital Single-Lens Reflex) camera is a type of digital camera that uses a mirror mechanism to reflect light from the lens to an optical viewfinder. This allows photographers to see exactly what the lens sees, making it easier to compose shots. Nikon offers a range of DSLR models suitable for beginners to professionals, featuring interchangeable lenses and manual controls for greater creative flexibility. Nikon DSLRs are known for their high image quality, robust build, and advanced autofocus systems. They typically include features like video recording, built-in Wi-Fi, and various shooting modes. These cameras are popular among photography enthusiasts and professionals for their reliability and performance in various shooting conditions.