Every gram matters after the first hour of climb. An action camera or a compact mirrorless covers a full trek without the shoulder ache of a DSLR bag. Most trekkers shoot ninety percent of their trip on one small camera.
02
Cold eats batteries
Temperatures drop fast above the tree line and batteries drain quicker. Carry spares in an inside pocket close to your body heat and swap at the viewpoint, not after it.
03
Shoot the walk, not just the peak
The best trek films are the trail itself: boots on scree, chai at the halt, the last push before the top. A chest or head mount keeps your hands free for the climb while the camera keeps rolling.