The Rodenstock APO-Sironar N 300mm f/5.6 is a long focal length large format lens with a 425mm image circle and 72-degree coverage, covering up to 11x14in format. At 1040g with an 86mm filter thread, it serves as the standard 300mm for 8x10in photography. The apochromatic correction provides excellent sharpness and colour accuracy at all distances. A versatile lens for studio and landscape work across multiple large formats.