I asked Meopta about these MeoproHDs, now available also in EU region, and answer was, like MeoptaMan wrote, that these are new quality level of older Meopro, the entry level of quality binoculars, and compared to MeostarHD, these have like spec says the slightly lower light transmission and edge definition.
So I think that MeostarHD is designed for pickiest buyers, which needs to have optical flawless binoculars with army level durability, no matter the weight.
The MeoproHD is then for users which prefer low weight, and affordable premium HD binocular /other 80% users/. What is interesting that, these MeoproHD offers acc to spec. longer eye relief.
Meopta web pages /NA and EU/ shows some inconsistency between specs of MeoproHDs, I hope that Meopta will correct it soon.
Anyway, I bought they flagship before some time, the Meostar 10x42 HD,
and it is very nice binos, with impressive view, CA is very low even on edges, very good contrast, light transmission and whiteness of image, despite use of silver mirror, resolution is really on par with best of best, sweetspot is 90%.... Only drawback is that diopter wheel is very stiff, and it is hard to set it when looking through bins, and also the objective lenses became dirty from touch of their covers... But this are minor issues, and purchase price of mine sample was very good...