Bảng Tham Chiếu Ánh Sáng Chân Dung Điện Ảnh

A 2x3 grid portrait lighting reference sheet showing six classic cinematic setups on [a model's face]: Zone 1 (top-left): Rembrandt lighting, key light 45° elevated camera left, fill light -45° camera right at 0.5x, dramatic triangular highlight on shadow cheek. Zone 2 (top-center): Butterfly lighting, key overhead slightly front, fill reflector under chin, small butterfly nose shadow, beauty editorial style. Zone 3 (top-right): Split lighting, hard key light 90° camera left, zero fill, half of the face cast in deep shadow, noir mystery aesthetic. Zone 4 (bottom-left): Loop lighting, key light 30° elevated camera left, fill -30° camera right at 0.3x, small loop shadow beneath the nose, natural commercial look. Zone 5 (bottom-center): Rim lighting dominant, hard backlight 170° camera right with gold gel, glowing hair, strong edge separation, heroic silhouette. Zone 6 (bottom-right): Clamshell lighting, butterfly overhead key light combined with a large soft fill from below at 45°, virtually zero shadows, smooth porcelain skin, high-end beauty portrait.