The Rodenstock APO-Sironar N 135mm f/5.6 is a moderate wide-angle lens for 4x5in format with a 200mm image circle and 72-degree coverage. At 210g with a 40.5mm filter thread, it is lightweight and compact. The apochromatic correction delivers excellent colour accuracy and sharpness. It provides a wide-angle perspective on 4x5in equivalent to roughly a 38mm lens on 35mm format, useful for landscape photography.