FS7: Finding the perfect B cam

For those using A7S as their B-Cam to FS7, have you dialed in matching profiles?

I know I should do my own homework, but I've been slammed shooting and will be shooting with both cams this week. I did find this bit on matching F55/A7S on Newsshooter:

http://www.newsshooter.com/2014/08/...ones-tries-just-that-for-the-history-channel/

...I had the F55 set up to record XAVC internally at 1920×1080/25P. Color temperature was 3200 and the profile was Custom mode with HyperGamma 7 at 1250ISO.The a7S was on Picture Profile 6 which uses the ‘Cinema’ colour space, I changed the gamma to CineGamma4 but left the rest as is. Colour temp preset selected to tungsten and shot Full frame XAVC S 1920×1080 at 25P, 1250ISO.The a7S had a Canon 70-200 F4 L lens mounted that was set at F5.6. The glass on the F55 was a Zeiss ZF50mm 1.4, also at F5.6.I found that in this lighting setup at the same ISOs and apertures I was getting a pretty close match on the luminance levels between the two cameras.
Click to expand...
 
Yip poorly researched post, note to me - must not drink beer and view forum at the same time.
 
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