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Amazon.com : Othmro 2Pcs 8mm CCTV Camera Lens 1080P F2.0 Pixels Security WiFi Camera Lens, 1/2.5 Inch Wide Angle for Camera M12 Threaded Dia for CCTV IP Camera Panoramic CCTV Camera Lens :
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Amazon.com : f6.0mm F1.6 Lens ONLY - as found on C328/C329 camera (BW) (no IR cut filter) : Electronics