A SIGMA macro lens with a focal length of 70-300mm. Pentax mount. Some parts of the exterior have become discolored. It has been in storage for almost a few years. I do not currently own a Pentax camera, so I cannot confirm its operation. There is no visible mold, dust, or debris inside the lens. A long time ago, there were times when communication was unstable, and I sent it to the manufacturer for inspection, but there was no abnormality. I will attach the report at that time. This report will not be included with the purchase. - Model Name: 70-300mm F4-5.6 APO DG MACRO - Brand: SIGMA - Maximum Aperture: F4-5.6 - Included Accessories: Case, Instruction Manual - Focal Length: 70-300mm Thank you for viewing.