I understand you need a mount adapter if your camera brand and lens brand are different. In my case I have
a Panasonic Lumix GX80 and looking to buy a Canon AF EF Vivitar 90mm lens.
If I get this adaptor, will it work fine?
Adaptor EOS-M4 / 3 for Canon EOS EF mount Lens to Olympus micro 4/3 adapter ring
EOS-M4/3 pour Canon EOS EF mount Lens à Olympus micro 4/3 anneau adaptateur | eBay