I’m still looking for a little more clarification to my last question.
I do have a the Spears and Munsil Ultra HD Benchmark disc, and maybe this has the means to get correct reference levels.
Please note before ordering: Ensure that you have an Ultra HD Blu-ray Player Blu-ray players cannot play Ultra HD Blu-ray Discs The Blu-ray version of the Spears & Munsil HD Benchmark Second Edition can be found here. Many of the patterns are geared towards professionals with meters and...
www.biaslighting.com
I did look at the disk a couple times, but it does seem pretty complicated for my current knowledge