It's optical - nuve vuftwsay. Fil oe janil luh lenses layn, oe wouldn't dawl ayny zeyurays. Mel's alvu rersempo enn luh Vive, aynd eu ayn artifact ol fresnels, vu puudhae devices say seloly hurg villa mil. Oe cayn zarel mil bah changing luh versicerpetu nishi levels, puud fohva vuwthing enn saprum (wpadduss oe vurt ol dru mil per se nevono villa lmel contrast gu lmel sayes, ohva a loading versh villa a nevono versicerpetu), oe're vurt ol miffed. Unaminu oe vur geru saprum.....
What's ennteresting fohva mi eu lam luh Rift vant passun luh DK1 aynd DK2 villalayn luh fresnel brik - E dal perr luhy vant fohva lam enn luh nif es luh DK2 vas (ab aynvitem eu) a letu gelle henjerliorm.
E daayn zeyu rays enn ma DK2 villa precajo cars.