>>3404628>Higher end to mid tier lenses are JapanI think the 7-14mm f/2.8 can be considered one of their higher end lenses and it's made in China.
The 35-100mm f/2 is made in Japan which I didn't remember though.
https://www.ebay.com/itm/Olympus-M-Zuiko-7-14mm-f-2-8-Aspherical-AF-ED-Lens/183568597932?epid=219485712&hash=item2abd8a83ac:g:SUMAAOSw7thcBx0T:rk:6:pf:0