About This Prompt

An extremely detailed, technical JSON prompt for Gemini Nano Banana Pro that uses ‘lock’ parameters to precisely control the subject’s pose (body orientation, arm/leg angles, hand gestures), camera settings (focal length, position, distortion), and clothing geometry (one-piece swimsuit with specific text). This prompt is designed for highly controlled image generation.

Prompt Content

{
  "pose_lock": {
    "subject_count": 1,
    "primary_subject_index": 0,
    "body_orientation": {
      "global_facing_degrees": 210,
      "torso_rotation_deg": 25,
      "torso_tilt_forward_deg": 15
    },
    "head_orientation": {
      "yaw_deg": -18,
      "pitch_deg": -5,
      "roll_deg": 2,
      "gaze_target": "camera_lens"
    },
    "shoulders": {
      "tilt_deg": -10,
      "left_elev_cm": 2,
      "right_elev_cm": -2
    },
    "arms": {
      "left": {
        "elbow_deg": 95,
        "wrist_deg": -10,
        "pos_n": {
          "x": 0.22,
          "y": 0.24
        }
      },
      "right": {
        "elbow_deg": 80,
        "wrist_deg": -15,
        "pos_n": {
          "x": 0.64,
          "y": 0.68
        }
      }
    },
    "hands": {
      "left": {
        "pose": "relaxed_open",
        "spread": 0.25
      },
      "right": {
        "pose": "light_hold",
        "spread": 0.15
      }
    },
    "legs": {
      "surface": "floor",
      "hip_height_cm": 18,
      "left_knee_deg": 90,
      "right_knee_deg": 100
    },
    "neck_back": {
      "neck_ext": 0.55,
      "upper_back_curve": 0.35
    },
    "face": {
      "mouth": "slight_open",
      "brows": 0.3,
      "eyes": 0.85
    },
    "strength": 1
  },
  "camera_lock": {
    "type": "smartphone_front",
    "focal_mm": 24,
    "focus_m": 0.45,
    "pos": {
      "h_m": 1.45,
      "dist_m": 0.4,
      "lat_m": 0.15
    },
    "orientation": {
      "yaw_deg": -40,
      "pitch_deg": -40,
      "roll_deg": 3
    },
    "lens": {
      "fov_deg": 73,
      "distortion": "mild_barrel",
      "strength": 0.18
    },
    "crop": {
      "ar": "4:5",
      "box": {
        "l": 0.02,
        "r": 0.98,
        "t": 0,
        "b": 1
      },
      "anchor": {
        "x": 0.42,
        "y": 0.35
      }
    },
    "dof": {
      "plane_m": 0.45,
      "blur_px": 3
    },
    "exposure": {
      "shutter": 0.01,
      "iso": 120,
      "aperture": 2
    },
    "white_balance": {
      "temp_k": 5200,
      "tint": 0.02
    },
    "strength": 1
  },
  "clothing_geometry_lock": {
    "type": "one_piece_swimsuit",
    "color": "{argument name="swimsuit color" default="light_cream"}",
    "material": {
      "finish": "smooth",
      "thickness_mm": 0.8,
      "stretch": 0.3
    },
    "straps": {
      "count": 2,
      "width_cm": 1.5,
      "orientation": "vertical"
    },
    "front_text": {
      "line1": "{argument name="text line 1" default="CALIFORNIA"}",
      "line2": "{argument name="text line 2" default="WEST COAST"}",
      "color": "blue",
      "scale": 0.6
    },
    "fit": {
      "form": "form_following",
      "wrinkles": 0.15
    },
    "prohibited": [
      "no_anatomical_detail",
      "no_pelvic_geometry",
      "no_sensitive_region_measurements"
    ],
    "strength": 1
  },
  "lighting_lock": {
    "key": {
      "type": "window_daylight",
      "azimuth_deg": 40,
      "elev_deg": 55,
      "lux": 1200
    },
    "fill": {
      "ratio": 0.4,
      "temp_k": 5000
    },
    "shadows": {
      "softness": 0.7
    },
    "specular": {

Sample Images

Source: YouMind Nano Banana Pro Prompts Library | ID: 3416