PENTAX 28mm f/2.8 lens, offering excellent optical performance. The exterior is very clean and the operation is smooth. The lens is free of fog and mold, and I was able to take beautiful pictures. - Brand: PENTAX - Model Name: 28mm f/2.8 - Aperture: f/2.8 - Focal Length: 28mm - Lens Cap: PENTAX lens cap [Other] We have inspected and photographed the item, but there may be oversights. Please check the photos and purchase only if you are satisfied. Please refrain from purchasing if you are concerned about fine dust particles inside the lens. If you would like additional photos, please feel free to comment. The item includes what is shown in the images. Returns are not accepted to prevent product substitution. Please refrain from purchasing if you are looking for perfection or are overly sensitive, as this is a used item. A Thank you for viewing.