Black lens cap with automatic opening and closing function, compatible with SONY E-mount lenses. Easy to install by simply screwing it into the 40.5mm filter thread at the tip of the lens. This cap automatically opens and closes in response to the movement of the lens when the camera power is turned ON/OFF, making it ideal for capturing those fleeting moments and eliminating the worry of losing your lens cap. Type: Lens Cap - Brand: JJC - Product Name: AUTO LENS CAP - Compatibility: SONY E 16-50mm F3.5-5.6 OSS (SEL1650), SONY FE 28-60mm F4-5.6 Lens (SEL2860) - Color: Black - Features: Automatic lens cap Thank you for viewing.