Is the Nikon D850 going to be on sale for Black Friday?

Is the Nikon D850 going to be on sale for Black Friday?

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Can the Nikon D850 focus with ease in low light conditions?

I currently own a D3200 which has difficulty focusing in low light conditions, and I'm thinking of upgrading to a semi professional camera.
Added (1). Does The Nikon D850 have improved auto focus in low light conditions compared to the Nikon D810?

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