Name brand Surveillance Equipment

What is the required lens for a CCTV to have good night vision? Do I get an automatic iris or manual?

Or something else? Thanks.

If you get a manual iris, you need to have something to adjust it. That something can be a motor or a person. Get an auto iris lens. A good night vision CCTV lens has a very wide iris. Something along the lines of f/1.0, f/1.2, f/1.4. The lower the number, the more light it lets in. Finally look at the light response of the CCD or CMOS sensor of the camera. This will usually be in lux. Again, the lower the number, the better the camera. A .1 lux sensor will do better than a 7 lux sensor when it comes to night vision.

5-100mm Varifocal Zoom CCTV Camera Manual Iris Lens AN05100V from

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