HUD 3D Configurator v4 — prism / no-prism
Optical path:
drag to rotate · scroll to zoom · right-drag to pan
Focus comfort guide
■ very close — image <300mm, eye strain. Avoid.
■ arm length — 300–800mm. Some effort. Short use only.
■ relaxed ✓ — 800mm–3m. Eye nearly fully relaxed. Best.
■ far/∞ ✓ — 3m+. Fully relaxed. Excellent.
■ real img! — OLED past focal length. Inverted — unusable.
Display wider than lens — corner vignetting.
Screen→lens gap differs from optimal by >3mm.
All parameters look good.