Bright 55mm f/1.7 prime lens. - Brand: MINOLTA - Model Name: MC ROKKOR-PF - Focal Length: 55mm - Maximum Aperture: f/1.7 - Country of Manufacture: Japan - Filter Diameter: 55mm - Mount Type: MD Mount Thank you for viewing. The exterior shows signs of use. There is a dent on the filter mounting frame, but it can be attached. The focus ring is smooth. The aperture ring has a good click feel. There is no oil on the aperture blades. The lens has been cleaned, but there may be some minor dust. There are slight scratches on the front element and mold marks on the edge. There are mold marks on the rear element. Included accessories: Lens filter If you have any questions, I will answer them to the best of my ability. Thank you.