Besides, Malaysia III has fallen behind the times, and a higher-end Malaysia IV may be released next year.
5D3 is a quasi-professional SLR, and the metering \ focusing \ chip ratio is much worse than 1DX.
Whether it's 1DX or 5D3, your lens may need to be upgraded to the best. In addition, 16-35 will be upgraded to 14-24 F/2.8 F/2.8 next year. So don't buy it yet.
The second generation of 24-70 went on sale in September, but the anti-shake version of 24-70 in Canon's patent application may not be known until next year, so you will see that there will be two new 24-70, ha, and it has been moving.