Recent content by mchi5cf2

  1. M

    IR illuminator power from beam angle and area

    Help on IR light please! I want to know the Power that comes out of an IR Illuminator. The manufacturer only gives that power is 12mW at 85m. It also gives a beam angle of 35 degrees. A. I took the surface area of the sphere generated by the illumination. That is 4*pi*(r^2) B. The...