High-quality SMC PENTAX-6X7 55mm f/4 lens, offering excellent optical performance. - Model Name: SMC PENTAX-6X7 1:4 55mm - Aperture: f/4 - Focal Length: 55mm - Country of Manufacture: Japan - Lens Type: Prime Thank you for viewing. [Appearance] Please check the appearance in the photos. [Operation] Each function works. Focus operates normally. Aperture blades are clean and operate normally. [Optics] There are no defects that affect shooting. There is no mold, haze, or scratches on the lens. [Included Accessories] Everything shown in the photos. To prevent replacement, refunds and returns are not accepted.