This PK - M4/3 mount adapter, made by K&F CONCEPT, allows you to use compatible lenses. - Model Name: KF-PKX - Compatibility: PK - M4/3 - Brand: K&F CONCEPT I am selling off my collection as part of a decluttering effort. The adapter was only used indoors for document copying and has never been taken outdoors. As this is a private sale, please refrain from purchasing if you do not agree to no claims and no returns. To avoid product substitution, we do not accept any returns or refunds. If you are not satisfied with the product description or cannot take responsibility for online transactions, please purchase a new item. Buyers who do not confirm receipt within 2 days of delivery will receive a negative rating. Recently, there has been an increase in overseas resellers who do not confirm receipt until their resale profit is confirmed. Some people, who I wouldn't expect to be Japanese, are taking maximum advantage of the rules and disregarding the inconvenience to others. This is a decluttering sale, and we are only accepting transactions with individuals within Japan. We will cancel transactions with overseas buyers and intermediaries, so please be aware. Please do not bid if you fall into any of the above categories.