Should I Use a 2.8mm or 4.0mm Lens? | XLR Security
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DS-2CD2347G2-LU/Black 2.8mm Hikvision 4MP AcuSense ColorVu IP Network Turret Camera with Built-in Mic and 30m White Light
Hikvision 5 MP Audio Fixed Mini Bullet Camera, 2.8mm Lens, Smart IR, Up to 30m IR Distance, Digital WDR, 4 in 1 Video Output, 360° Rotation, IP67 Protection, White | DS-2CE16H0T-ITF(2.8mm) Buy,
Hikvision MF3514M-8MP Security camera lens Specifications | Hikvision Security camera lenses
Amazon.com : Compatible with Hikvision 8MP IP Camera Black with AI Human/Vehicle Detection,UltraHD 4K PoE Outdoor Security Camera with Mic/Audio,98ft IR Night Vision,Wide Angle 2.8mm Lens,IP67(PG2385I-28) : Electronics