Reply To: Relationship between light output and contrast in a room. Posted on by simon m Home › Forums › Lighting › Relationship between light output and contrast in a room. › Reply To: Relationship between light output and contrast in a room. May 17, 2024 at 7:20 am #215868 simon mParticipant David, that is a great bit of hands-on information. Thanks so much for that! cheers.