I have confirmed the operation, but there is dust and mold. There is also rust on the screws. *The case is included as a bonus, only for those who need it. *Please note that this item is considered junk due to the presence of mold. - Focal length: 300mm - Maximum aperture: f/2.8 - Brand: Nikon - Model name: NIKKOR ED AF 300mm f/2.8 - Accessories: CT-303 case Thank you for viewing.