Vintage Evening Flash Portrait Transformation Prompt
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"meta":{
"quality":"High-Definition",
"type":"Evening indoor flash portrait",
"ratio":"4:5 vertical",
"device":"iPhone 16 Pro",
"style_reference":"Transform the INPUT PHOTO into this exact aesthetic.",
"look":"Evening flash, warm-toned vintage, real grain, realistic skin texture (NO smoothing)."
},
"identity_lock":{
"preserve_face": true,
"strict": true,
"rules":[
"The face MUST remain IDENTICAL to the input photo.",
"No changes to facial structure, proportions, expression, or identity.",
"No smoothing, no beautify, no retouch, no AI facial alterations."
]
},
"skin_texture_rules":{
"keep_texture": true,
"no_smoothing": true,
"no_blur": true,
"realistic_details": "natural texture preserved.",
"flash_behavior":"Flash highlights should reveal texture, not hide it."
},
"vintage_effect":{
"warmth":"+18",
"contrast":"+22",
"highlights":"-5",
"shadows":"+12",
"grain":"Medium (film-like)",
"vignette":"Soft",
"color_grade":"Warm beige vintage tint",
"sharpness":"Slightly reduced to mimic old camera softness"
},
"global_context":{
"scene_description":"Indoor hallway with wall decor, mirror reflection, white walls and warm flash lighting.",
"time_of_day":"Evening",
"lighting":"Direct warm flash illuminating the subject with strong falloff into the background.",
"environment_details":[
"Mirror behind the subject with reflection visible.",
"White paneled walls.",
"Marble/stone console table with a floral arrangement.",
"Soft shadows created by harsh flash."
]
},
"composition":{
"camera_angle":"Eye-level, straight-on portrait",
"framing":"Knees-up full portrait",
"pose":"Body leaning slightly forward with one hand on console table and the other arm across the torso.",
"expression":"Confident, pouty, soft glamorous gaze.",
"flash_effect":"Glossy highlights on skin and dress."
},
"subject":{
"makeup":{
"style":"Soft glam.",
"lips":"Pink-brown gloss with warm undertone.",
"eyes":"Eyeliner + lashes.",
"blush":"Warm peach."
},
"skin":"Natural undertone, realistic texture, NOT smoothed.",
"outfit":{
"dress":"White mini halter dress with deep neckline and satin-like shine.",
"fabric_behavior":"Flash creates bright reflections and visible folds."
}
},
"background_objects":[
{
"id":"mirror",
"description":"Large wall mirror reflecting the subject's pose.",
"lighting":"Flash reflection visible but subdued."
},
{
"id":"flowers",
"description":"Vibrant bouquet on the table (yellow, purple, green)."
},
{
"id":"wall",
"description":"White paneled wall with framed signage."
}
],
"rules":{
"identity_constant": true,
"no_face_change": true,
"no_ai_artifacts": true,
"realism":"Ultra realistic evening flash aesthetic with vintage tones."
}
}
Use the uploaded photo as the input image. Generate the image.
An extensive JSON prompt for Gemini Nano Banana, designed for image-to-image transformation. It applies a warm-toned, film-like vintage aesthetic with harsh flash lighting and realistic grain to an input photo, while strictly preserving the subject's facial identity and skin texture (no smoothing or AI alterations).
How to use this prompt
Copy the prompt above and paste it into an AI image generator such as Google Gemini (Nano Banana) or a similar tool. Replace any bracketed placeholders with your own details, then generate and refine the result.
This prompt is designed to work with a reference photo. Upload your own photo (only one you have the right to use) together with the prompt.
Prompt collection credit: YouMind Awesome Nano Banana Pro Prompts (CC BY 4.0). Credit to the original prompt creators. To request removal of a prompt or image, please contact us.