Odseven 8-50mm C-Mount Zoom Lens for IMX477 Raspberry Pi HQ Camera
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
0.7X-4.5X Adjustable 180X 300Х Zoom C-Mount Lens + 0.5X 2X 0.35X 1X Barlow Auxiliary Lens For HDMI USB Video Microscope Camera - AliExpress
8X-100X C-Mount Microscope Lens C Mount Zoom Lens 25MM For Microscope Camera | eBay