Game looks perfect, except DOF is amplified (see screenshot; looks better disabled, in-game). Hor+; FOV, HUD, text & menus are proper (HUD element-positions span full width).

(PLP screenshot with bezel effect. DOF is ON)
Fullscreen:
SoftTH (fullscreen, DX9 x86). In launcher/game select massive resolution.

(DOFF OFF, notice crisp axe)

(1080p, DOF ON)
OR Borderless: Shortcut/launcher argument -popupwindow (makes native borderless). In launcher/game windowed. ShiftWindow (fullscreen resolution & to position).

(DOF OFF)

(DOF ON)
NOTE:
In-game FOV slider (not needed, untested).

(inventory, notice red beyond render)
View guide for general help with the instructions.