Mamiya 150mm f/3.5 prime lens. - Brand: Mamiya - Model Name: 150mm f/3.5 - Lens Type: Prime lens - Aperture: f/3.5~32 - Focal Length: 150mm - Filter Diameter: 58mm - Accessories: Front cap, rear cap, marumi MC-L370 UV filter The exterior is clean and in very good condition with no dirt or scratches. Unfortunately, due to long-term storage, there is a fungal-like mold on the rear element. The focus and aperture rings rotate smoothly. The size section indicates X-mount, but this is a Mamiya 645 mount. Please examine the images carefully and make your judgment. Thank you for viewing.