>>3843286I winter camp in the same temperatures and my a6500 runs great, I don't see the need to get any dedicated camera gear for winter
A couple tips:
>manual focus prime lenses works well for those really cold mornings>sleep with spare batteries on your person, batteries die fast if they get cold>>3843679>I'm used to dealing with mechanical cameras which are inoperable in sub-freezing weather,Try a mirrorless then?