Amazon.com: Adjustable Focal Length Industrial 8-50mm C-Mount Zoom Lens for Raspberry Pi HQ Camera, Flexible Zoom in/Out Angle of View for Pi 4 3 B B+ Zero @XYGStudy : Electronics
HIGH RESOLUTION RAINBOW ZOOM 1.4/11.5-69MM C-MOUNT LENS for CCTV SECURITY CAMERA | eBay