SIGMA zoom lens with a focal length of 35-105mm and a maximum aperture of f/3.5-4.5. - Brand: SIGMA - Model Name: ZOOM-AT - Focal Length: 35-105mm - Maximum Aperture: f/3.5-4.5 - Filter Diameter: 55mm - Country of Manufacture: Japan Thank you for viewing. The exterior shows signs of use. 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 is no mold or haze that would affect shooting, and it is clear. Included accessories: Lens caps (front and rear), lens filter If you have any questions, I will answer them to the best of my ability. Thank you.