☆ This is a KENKO 2x teleconverter for Canon EF mount. Autofocus is not available, so it can only be used with manual focus on the lens itself. However, aperture linkage in AV mode is OK. ☆ When this product is attached, the F-number (brightness) of the telephoto lens used will become approximately two stops darker (from KENKO HP). ☆ The lens has no mold, balsam separation, or scratches, and the lens elements are very clear. ☆ There is some dust that does not affect shooting. ☆ There is no whitening of the rubber. ☆ There are some scratches, but they are not noticeable and the item is in good condition. ☆ Comes with the original soft case. ★★ 2x Teleconverter ★★ Mount: Canon EF ★★ Aperture Linkage: Works normally ★★ Focus: Manual only due to autofocus malfunction ◇ Instant purchase OK, please refrain from price negotiations. ◇ If there is a significant oversight that affects the value of the product, ★please send a message without rating the item★. Also, please be aware that there is no warranty for any malfunctions after the transaction is complete, as this is a used item.