【Product Description】 This is the Canon Extender EF 2x (Version I), a high-performance teleconverter designed to double the focal length of compatible Canon EF lenses. It is an essential accessory for sports and wildlife photographers who need extra reach carrying without additional heavy lenses. It maintains excellent optical quality and communication between the camera body and the lens. 【Grade】 Very Good 【Appearance】 The appearance is beautiful and well-maintained. The mount is in good condition. Please refer to the photos for a detailed look at the cosmetic condition. 【Functional】 The lens is in good condition. The item is fully functional. The mounting mechanism works smoothly, and the electronic contacts are clean, ensuring proper communication between the lens and camera. 【Optical system】 A small amount of dust may be visible under strong light, but this does not affect image quality. [Included Items] ・Front Cap (Canon) ・Rear Cap (Canon) *All items shown in the photos are included in the package. 【About Delivery】 I will pack the item carefully with protective materials to avoid damage in transit so that you can purchase it without worry. We ship via FedEx or DHL or EMS with a tracking number. The shipping carrier used varies by country or region, so customers cannot select the carrier. Import duties and taxes may apply depending on your country’s regulations. These charges are the buyer’s responsibility. If the return is due to the buyer's reasons, such as unpaid duties or an incorrect address, shipping and handling fees will not be refunded. The item will be carefully packaged and shipped, so please be sure to receive it.