Subject
A character's face with precisely controlled expression using FACS action units.
Composition
Close-up portrait, front-facing, sharp focus on facial muscles and features.
Lighting
Soft, even lighting to highlight subtle expression changes without harsh shadows.
Setting
Neutral background, plain studio environment to avoid distraction.
Style
Photorealistic, detailed anatomical rendering, high definition.
Details
Fine details of skin texture, micro-expressions, and muscle movements; mood is neutral but adjustable.