How it works with Sigma and Tamron
Thanks, I'll post more photos with comments here as such things like to vanish with time.
Typical very unrational Japanese design.
Simple motherboard here with lot of connections. Such design is very common for Japanese cameras. Design originate from big company structure.
Unnecessary complexity behind motherboard. Many of it comes that lot of people trying to keep their job.
Motherboard itself, very cheap to make.
Other side of MB with surprise STM32 chip, usually this means that LSI design had been made in the rush and STM32 is performing some functions that they forgot to put properly in original design.
Same complexity.
IBIS adds lot of complexity here, and makes huge impact on sensor temperature, especially FF one.
Nikon Z7 Dissasembly and Teardown: https://kolarivision.com/nikon-z7-dissasembly-teardown/
Notice about compatibility for Nikon Z7 with Tamron lenses
Dear users and potential purchasers of Tamron interchangeable lenses.
Thank you for using Tamron products and for your continuous support.
We would like to announce that we have discovered issues that some of Tamron Di/Di II series for Nikon mount models may not be operational properly on Nikon Z7, which was newly released on September 28, 2018, with Nikon Mount Adapter FTZ.
We are in process to search for the causes and will make further announcement of the compatibility for every single model once we find the solution.
Nikon overpriced camera is even in stock
https://www.amazon.com/Nikon-FX-Format-Mirrorless-Camera-24-70mm/dp/B07GQ3HVW1/
AF tests
Good light:
Low light:
https://www.dpreview.com/reviews/nikon-z7-first-impressions-review/7
vs Sony
Different Nikon cameras
Z7 internals
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