Extension tube for OLYMPUS PEN F, made of metal for durability. I received this as a gift, but never used it and have been storing it in a dark place. The leather case shows signs of use. See photos 4 and 5. Please understand that this is a used, vintage item that has been stored by a private individual. In accordance with Mercari's rules, I will prioritize the person who purchases the item first, even if a price negotiation is in progress. - Model: OLYMPUS PEN F - Country of Manufacture: Japan - Material: Metal Thank you for looking.