Hi so I am a college student looking to upgrade my gear and have 2k to spend so I already bought a deal on a tamron 70-180 and was going to get an a7c but I just found this deal for Z7. I have some concerns about the Nikon system how are the lens prices what are the third party support, I couldn’t find any comparisons between the tamron 70-180 g2 and the Nikkor 70-180. Is the sharpness as good and also there’s no stabilization, but my biggest concern is autofocus how does it compare to the a7c because ergonomically the Nikon is far better and a pro camera while also having dual cards and having 10 but external video and ProRes raw support. The build quality just looks better. Anything I need to know about the Nikon system or lens affordability and options anything else helpful