>>4285634Chinese people who use literal illiterate slave labor and nonexistent QC, workplace safety, and environmental protections to acquire and manufacture everything for money that is peanuts to their western customers. They will make anything for the smallest market because there is still a lot of money in it for them. Their margins can be huge on half-functional niche garbage that will sell a couple thousand units in a market that sells over 5 million bodies yearly.
example: How big do you think the market is for other niche adapters like the etz21pro? Must not be not very big because it's hard to find people who have tested it extensively, so people who are on the fence are taking forever to learn about things like IBIS remaining on when the camera is off and the adapter sometimes melting itself.
You're not seeing it from the japanese (nikon), even with their newfound love of outsourcing, because even though they can also undercut the west, but by voluntarily working unpaid overtime, it's still too small of a market for them.
Put this in context and realize sony making the la-ea5 was a great act of charity and the most pro-consumer thing they've ever done, and other companies are unlikely to. The only reason EF is so well supported on RF is because they are the exact same protocol canon has been using since the 80s - when they gave FD mount shooters a middle finger punch to the face because they couldn't adapt their old lenses without additional optics at all.
