These are highly regarded. ED glass. Dielectric phase prism coatings. Magnesium alloy. Relatively wide 5.9 degree true field of view.
A definite upgrade over the non-ED polycarbonate Kowa.

Snypex 10x50 Knight D-ED Binoculars $499
https://www.bhphotovideo.com/c/product/1275102-REG/snypex_9050d_ed_10x50_knight_d_ed_binocular.html