Ultra-thin designed for Fujifilm X100VI Fuji X100V The adapter ring facilitates the attachment of the lens hood or a 49MM thread filter to the lens. In addition, the original FUJIFILM X100VI X100V lens cap can be mount onto the lens hood, so you can use the original lens cap without removing the hood. Note: To use the lens hood, the user has to remove the ring on the top of the lens of Fujifilm X100V X100VI Note: It can't be used for Fujifilm X70 X100 X100S X100T X100F original lens cap.