illuminance

  1. John Godfrey

    Illuminance in practice

    Hi. I am trying to decide on a 50 deg Colorsource spot, and a 70 deg to replace our Force 4 instruments. our Procoeniun is 30' wide, and our FOH bars are 6', and 12'. We have a throw of about 15'. We only have 10 F4 50 deg and 5 old strand pattern profile spots to fill in the dark spots. I...