※ This is a Konica AR mount. The KONICA HEXANON 135mm f/3.5 lens is a single-focal-length lens with excellent optical performance. - Brand: KONICA - Model Name: HEXANON 135mm f/3.5 - Focal Length: 135mm - Maximum Aperture: f/3.5 - Features: Good optical performance Size: Konica AR mount No haze, fungus, or dust can be seen upon visual inspection. The aperture blades have been confirmed to be working. This is a beautiful item that has been stored in a dehumidified storage, but please understand that it is a used item before considering a purchase.