Lens for Mamiya Press. Please refer to the sample photos for image quality. I think the images are soft, even when stopped down to some extent. Recommended for those who enjoy old lenses and those who can clean them. Aperture: Slightly sticky Shutter: Changes at all speeds Helicoid: A little stiff, but turns smoothly with consistent torque Lens: Front element is clean, but the rear element has clouding Appearance: Scratches due to age and use Focal Length: 71-150mm Maximum Aperture: 4.1-5.6 Other Features: Junk, with front lens cap, old lens