DJI’s Osmo Action 4 Essential Combo, priced at $189 (was $239), still earns a place in bags and on helmets because it handles the messy realities of real trips and real deadlines. At 145 grams it slips into a jacket pocket or daypack without turning into a burden, yet the 1/1.3-inch sensor and f/2.8 lens pull in enough light that evening street scenes, dim hotel rooms, and shaded forest trails stay usable instead of dissolving into grain. Travelers who move between bright beaches and late dinners appreciate that consistency, and the 18-meter waterproof rating means a sudden swim or heavy rain does not require hunting for a housing.