onderhoud Desillusie regenval 4mm lens vs 6mm lens martelen probleem Nodig uit
What's the difference between 2.8mm & 3.6mm lenses?
2.8mm lens 6mm HD 1080P M12 3.6mm HD CCTV Camera Lens IR HD Security AHD CVI TVI 1080P IP Camera Lens Fixed Iris|lens ir|cctv camera lenscamera cctv lens - AliExpress