This allows you to see from Snake's perspective, although you cannot move whilst in first-person view (you can shoot, however) Press R2 or L2 to peek left or right (if you are near a corner, Snake will peer around it, however, doing so will reduce Snake's camo index to 0%
Doing this will automatically adjust the camera to allow for the best view of what is behind the corner. In Subsistence, an optional third-person camera (switched to with R3) is available
CROSS (X): Crouch/crawl (hold or tap twice)/cancel.RIGHT ANALOGUE STICK: Change Camera Angle.DIRECTIONAL BUTTONS: Slow (and silent) movement.