CS mount security CCTV lens | VY Optoelectronics Co.,Ltd.
Amazon.com : CCTV Lens for C Mount, 50mm f/1.4 Closed Circuit TV Lens Manual Fixed Focal Lens Macro Photography Camera Accessory, C Mount for Canon for Sony for Fujifilm : Electronics
2pcs 25mm 3MP F1.4 FPV CCTV Lens Wide Angle for CCD Camera | Walmart Canada