Olympus 300mm f/4.0 PRO Zuiko will cost around $2,500. Panasonic makes 8K sensors

Image courtesy: ePhotozine.

Quick MFT news:

After 3 years Panasonic resumed sensor development to create 8k sensor (Source: Nikkei)
And Olympus will launch the $2,499 300mm PRO lens in January (Source: 43rumors)