This thing has blown away my wildest expectations.

I had high expectations and it blew away my expectations

Truthfully, the D750 may not produce images as sharp as those the Sonys are capable of producing in good lighting, but the D750 with a 20mm or a 70-200mm Tamrom Way outperforms any Sony in low light--yes, including the A7RIII (the new one, that is).Anyway, the Sonys produce super sharp images with native lenses and non-native lenses with good adapters, but they tend to perform poorly in low light, relative to Nikons