Thomas Sutton, inventor of the single-lens reflex camera, took the picture. The Primoflex I twin-lens reflex camera came out in 1951. It was a Twin-Lens Reflex camera. The episodes are filmed with a Canon 7D digital single-lens reflex camera. A mirrorless interchangeable lens camera is an alternative to the digital single-lens reflex camera (DSLR). It is the world's first instant twin lens reflex camera. In 1861, Sutton created the first single lens reflex camera. In the single-lens reflex camera, the photographer sees the scene through the camera lens. In appearance it closely resembled a modern digital single-lens reflex camera. The Canon EOS 50D is a 15.1-megapixel digital single-lens reflex camera. It is a 6.3-megapixel entry-level digital single-lens reflex camera. I was a twin-lens reflex camera first sold in 1952. The Canon EOS 650 is a 35 mm single-lens reflex camera. The Olympus OM-1 is a manually operated 35mm single-lens reflex camera. The Nikon F100 is a 35mm film-based single-lens reflex camera body introduced in 1999.