Se - Staring at the Lens. Looking directly at out has their attention. In a picture, has the shortest range of vision(seems to be looking at something closer than anyone else). Piercing Glare. Focused on Target and attentive to outside stimuli.
Ni - Staring through the lens. Looking completely through what has their attention. In a picture, has the longest range on vision(Looking at something furthest behind the camera). Thousand-Yard Stare. Not focused on target and reactive to internal stimuli.