6 Helpful Tips for Best Night Vision CCTV Cameras 1. 1) Make positive the IR is highly effective sufficient. 2. 2) Make sure the IR isn’t too highly effective. Three. three) Be cautious with Wide Angle lenses. 4. four) Make positive the sphere of view is evident. 5. 5) IR needs one thing to reflect off of. 6. 6) Remember the mounting height.