The Rodenstock 55mm F4.5 Apo Grandagon Lens gives the utmost freedom for innovative product photography.The Rodenstock 55mm Grandagon Lens offers a field angle of 120 degrees, which is used in architectural photographyThe Rodenstock large format lens comes with a focus mount where both lenses are fixed to cameras without bellows, thus providing ways for large format photographyWhen you shoot with a roll film in close spaces or up to a format of 4x5" with focal lengths such as 35, 45, and 55 mm