From solo shots → to one family frame.
Nano Banana Pro on Gemini:
{
"scene": {
"title": "Indoor Family Portrait – Female Center",
"type": "studio_family_portrait",
"environment": "indoor living-room-style studio with warm soft furnishings and neutral backdrop",
"description": "A realistic group portrait of three men and one woman seated together on a sofa under soft professional studio lighting. The woman sits confidently in the center, surrounded by three men positioned naturally to create balance and warmth."
},
"camera": {
"camera_type": "full-frame mirrorless",
"lens": "50mm prime",
"aperture": "f/5.6",
"shutter_speed": "1/125 s",
"iso": 100,
"white_balance": "5000 K",
"focus_point": "central female subject",
"aspect_ratio": "3:2",
"tripod_used": true
},
"composition": {
"shot_type": "medium-wide family portrait",
"framing": "eye-level camera about 2.5 m from sofa",
"arrangement": "female seated at center, males arranged left, right, and one standing slightly behind leaning toward center",
"visual_hierarchy": [
"female subject in center (primary focal anchor)",
"faces of all subjects and their connection",
"sofa and background depth"
],
"depth_of_field": "moderate; all faces in focus, soft background blur",
"imperfections": [
"natural folds in clothing",
"minor sofa fabric creases",
"asymmetric relaxed poses"
]
},
"lighting": {
"setup_type": "three-point studio",
"key_light": {
"source": "large rectangular softbox",
"position": "front-left 45° down",
"intensity": "400 W·s",
"quality": "soft diffused"
},
"fill_light": {
"source": "secondary softbox or reflector",
"position": "camera-right",
"intensity": "200 W·s",
"ratio_to_key": "1:2"
},
"rim_light": {
"source": "hair/back light",
"position": "behind subjects",
"intensity": "100 W·s",
"purpose": "subtle edge separation"
},
"ambient": "wall bounce for gentle fill",
"color_temperature": "5000 K",
"contrast_ratio": "1:3",
"shadow_quality": "smooth falloff"
},
"color_profile": {
"palette": {
"environment": ["beige", "light gray", "warm neutrals"],
"clothing": ["blue", "white", "charcoal", "earth tones"],
"skin_tones": "natural warm midtones"
},
"contrast": "gentle but defined",
"saturation": "medium realistic"
},
"subjects": {
"interaction": "natural relaxed grouping, visible warmth and closeness",
"members": [
{
"role": "male_1_left",
"description": "man seated on left side of sofa, relaxed posture, leaning slightly inward",
"upload_slot": 1
},
{
"role": "female_center",
"description": "woman seated at sofa center, confident calm expression, visual focal point",
"upload_slot": 2
},
{
"role": "male_2_right",
"description": "man seated on right side, angled slightly toward center, friendly expression",
"upload_slot": 3
},
{
"role": "male_3_back",
"description": "taller male standing or leaning behind sofa, adding height and depth",
"upload_slot": 4
}
]
},
"background_system": {
"type": "neutral matte studio or softly decorated living-room background",
"elements": ["sofa shadow on floor", "framed wall art softly blurred"],
"depth_rendering": "tonal falloff toward back wall"
},
"output_settings": {
"resolution": "3072×2304 (4 K) or higher",
"aspect_ratio": "3:2",
"render_style": "ultra-realistic photographic image",
"lighting_preset": "soft-key studio portrait",
"merge_faces_from_references": true,
"face_accuracy": "100%",
"file_type": "high-quality JPEG or PNG"
},
