Fotasy ACS1650 Z-S16-50 Auto Lens Cap and Lens Cleaning Cloth for Sony 16-50mm f/3.5-5.6 OSS Alpha E-mount Retractable Zoom Lens (Black) This Auto Lens Cap adopts a screw-in design and can be mounted on lens front without scratching the lens. Without touching the lens cap, the camera responds instantly to sudden shutter opportunities by just turning on the power. The four leaves will automatically close as the lens retracts. Fits Sony 16-50mm f/3.5-5.6 OSS Alpha E-mount Retractable Zoom Lens (SEL-1650)