For about a year I can't order the original Canon Canon EF-EOS R Mount Adapter. I don't want to buy a third-party adapter. That's really annoying. Canon, get your act together. Do you expect me to buy a $4K camera without being able to buy $100 adapter to fit my EF glass collection? Meantime online profiteers are having a field day selling $100 adapter for exorbitant prices. … [Read more...] about Why are Canon EF-EOS R Mount Adapters perennially unavailable?