But yes, the gaps are getting closer with each generation of binocular, maybe why Zeiss has largely ditched the abbe konig's. Also albino's only had the ht's at 91% not sure what Gijs has found.
There's still a bunch of AK-prism bins in the low-light segment. HT, Conquest, Victory RF, SLC etc.
Abbe/Koenig Roof Prism Binoculars - Optics-Trade
Abbe/Koenig Roof Prism Binoculars