4megapixel Varifocal Lens 5-50mm M14 Mount Cctv Long Distance View 1/2.7 Inch Manual Focus And Zoom For Hd Ip/ahd Camera - Cctv Lens - AliExpress
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Varifocal lens - Wikipedia
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ELP 4K USB Webcam 2.8-12mm Manual Varifocus Lens Mini Case Sony IMX317 Industrial Machine Vision Mini Usb Webcam Video Conference Camera [ELP-USB4KHDR01-MFV(2.8-12)] - $86.24 : ELP USB Webcam