The Graflex Pacemaker 45 Crown Graphic is a 4×5 large-format press camera produced from 1947 to 1973 and known for its iconic presence in mid-century photography and film. It features a leaf-shutter lens system, double-extension bellows for close-focus capability, and multiple focusing/composition options including ground glass, optical viewfinder with masks, and an optional rangefinder. Despite its portability and durable folding-bed design, camera operation is methodical and slow, often requiring tripod use and careful step-by-step handling. Front movements are limited to rise, tilt-up, and shift, making it less versatile than full view cameras for perspective control. Collectors and users value its flexibility with lenses, Graflok compatibility, and the high image quality achievable on 4×5 sheet film or roll-film backs.