Vintage Evening Flash Portrait Transformation Prompt
An extensive JSON prompt for Gemini Nano Banana, designed for image-to-image transformation.

- Prompt included
- Model and format preset
- Free template

The prompt behind this image
Copy the exact prompt behind Vintage Evening Flash Portrait Transformation Prompt, or open it in the studio and make it yours.
{ "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":"{argument name="warmth" default="+18"}", "contrast":"{argument name="contrast" default="+22"}", "highlights":"{argument name="highlights" default="-5"}", "shadows":"{argument name="shadows" default="+12"}", "grain":"{argument name="grain" default="Medium (film-like)"}", "vignette":"{argument name="vignette" default="Soft"}", "color_grade":"{argument name="color grade" default="Warm beige vintage tint"}", "sharpness":"{argument name="sharpness" default="Slightly reduced to mimic old camera softness"}" }, "global_context":{ "scene_description":"{argument name="scene description" default="Indoor hallway with wall decor, mirror reflection, white walls and warm flash lighting."}", "time_of_day":"{argument name="time of day" default="Evening"}", "lighting":"{argument name="lighting" default="Direct warm flash illuminating the subject with strong falloff into the background."}", "environment_details":[ "{argument name="environment detail 1" default="Mirror behind the subject with reflection visible."}", "{argument name="environment detail 2" default="White paneled walls."}", "{argument name="environment detail 3" default="Marble/stone console table with a floral arrangement."}", "{argument name="environment detail 4" default="Soft shadows created by harsh flash."}" ] }, "composition":{ "camera_angle":"{argument name="camera angle" default="Eye-level, straight-on portrait"}", "framing":"{argument name="framing" default="Knees-up full portrait"}", "pose":"{argument name="pose" default="Body leaning slightly forward with one hand on console table and the other arm across the torso."}", "expression":"{argument name="expression" default="Confident, pouty, soft glamorous gaze."}", "flash_effect":"{argument name="flash effect" default="Glossy highlights on skin and dress."}" }, "subject":{ "makeup":{ "style":"{argument name="makeup style" default="Soft glam."}", "lips":"{argument name="lips" default="Pink-brown gloss with warm undertone."}", "eyes":"{argument name="eyes" default="Eyeliner + lashes."}", "blush":"{argument name="blush" default="Warm peach."}" }, "skin":"{argument name="skin" default="Natural undertone, realistic texture, NOT smoothed."}", "outfit":{ "dress":"{argument name="dress" default="White mini halter dress with deep neckline and satin-like shine."}", "fabric_behavior":"{argument name="fabric behavior" default="Flash creates bright reflections and visible folds."}" } }, "background_objects":[ { "id":"mirror", "description":"{argument name="mirror description" default="Large wall mirror reflecting the subject's pose."}", "lighting":"{argument name="mirror lighting" default="Flash reflection visible but subdued."}" }, { "id":"flowers", "description":"{argument name="flowers description" default="Vibrant bouquet on the table (yellow, purple, green)."}" }, { "id":"wall", "description":"{argument name="wall description" default="White paneled wall with framed signage."}" } ], "rules":{ "identity_constant": true, "no_face_change": true, "no_ai_artifacts": true, "realism":"{argument name="realism" default="Ultra realistic evening flash aesthetic with vintage tones."}" } } Use the uploaded photo as the input image. Generate the image.
How to use Vintage Evening Flash Portrait Transformation Prompt in 3 steps
- 1Upload ImagePNG, JPG or paste
Add your photo
Upload the photo the template builds on. The prompt, model and format are already set.
- 2…a portrait of your subject in softgolden-hour light, 85mm…
Personalize
Edit the subject and creative details for your destination.
- 3
GenerateGenerate
Press Generate — your image is created in PicX Studio, so you can compare it with the original and refine one variable at a time.
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Make it yours
Vintage Evening Flash Portrait Transformation Prompt works as-is. These are the safest ways to change it without losing the look.
Change one field
Copy a single group, rewrite it, and generate again so you can see what that field is doing.
Keep the frame, change the subject
Hold the composition and light of Vintage Evening Flash Portrait Transformation Prompt, then swap wardrobe, props or the person for a new take.
| If the result… | Why | Fix |
|---|---|---|
| The result drifts from the preview | Too many fields changed at once. | Reuse Vintage Evening Flash Portrait Transformation Prompt as-is first, then change one group — subject, light, or setting. |
| The model over-stylizes the scene | The prose prompt leaves finish and camera underspecified. | Add one camera or lighting sentence and stay on Nano Banana 2. |
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Vintage Evening Flash Portrait Transformation Prompt questions
How do I use the Vintage Evening Flash Portrait Transformation Prompt template?
Add your photo if the template asks for one, edit the prompt if you like — the template's model and format are already selected — and press Generate. Your version opens in PicX Studio.
Can I customize the Vintage Evening Flash Portrait Transformation Prompt template?
Yes. You can change the subject, setting, lighting, mood, format, and available model controls before creating your image.
Is the Vintage Evening Flash Portrait Transformation Prompt template free?
Opening and editing this template is free. Generating uses credits, shown on the Generate button when you are signed in.
Which AI model should I use?
Start with Nano Banana 2, which is the model associated with this template. You can compare another compatible model for a different finish.
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