While no single "perfect" mod exists that matches the stability of Skyrim’s Enhanced Camera, there are several ways to achieve this effect. 1. First Person Camera - See Your Body (Creation)
The result? You look down, and you see your torso, your belt, your holstered pistol, your legs, and your muddy boots. fallout 4 see your body in first person mod
If your body mod doesn’t have this, download the separate First Person Body patch from the same Nexus page. While no single "perfect" mod exists that matches