Warning: humour involved 
One is white, the other white and the other Black LOL!!!
Today I decided to go ahead and get the Gmaster 70-200 f/2.8 since I've been told the colours will be the same as my Canon and Fuji system............
My Fuji must be the black sheep of the family LOL!!!!
Joking aside I've yet to create identical colours of my Sony system to match the calm looking Fuji colours.
I'd love to hear how people post process colours to look identical to one another. I've discussed this topic with other photographers today and I've mentioned a thread on the POTN regarding Colour science. They cannot determine how a Nikon, Canon and Fuji can look the same even after white balance correction. Some customers are buying some lens filters to pull the reds out of panasonic m43 files.
In the end it's our choice in how we deal with colour. I certainly shoot 3 system for a different look.
This GMaster 70-200 f/2.8 is a nice piece of glass but I still do not think it's worth anymore than the killer image quality the Canon 70-200 f/2.8mk2 produces. Needed a Sony version as the MC11 adapter with the A7iii just doesn't cut it for AF speed.
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