# GPT Image Hub prompt

## Photographie de Rue à l'Instant Décisif
- URL: https://www.gptimagehub.com/fr/library/decisive-moment-street-photography
- Generator URL: https://www.gptimagehub.com/fr/generate?promptId=oss-ym-mm-8661
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Ffr%2Flibrary%2Fdecisive-moment-street-photography
- Category: Portrait et photographie
- Model: nanobananapro
- Aspect ratio: 3:2
- Style: photorealistic
- Tags: photographie de rue, noir et blanc, instant décisif, géométrie urbaine, grain argentique, monochrome
- Updated: 2026-10-27T12:18:23.098Z
- Created: 2026-10-27T12:18:23.098Z

Génère une photo de rue classique en noir et blanc capturant un passant aligné aux lignes urbaines. Modifiez l'emplacement ou l'objectif pour adapter la géométrie.

### Full prompt
```text
{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "street_photography_decisive_moment",
      "language": "en",
      "priority": "highest",
      "version": "v1.0_DECISIVE_MOMENT_GEOMETRY_NO_CROP"
    },
    "scene": {
      "location": "[busy urban street corner]",
      "time_of_day": "[daytime]",
      "environment": "natural light only, no artificial lighting",
      "activity": "[pedestrians walking past strong geometric architecture]",
      "moment_description": "[a single pedestrian enters the frame at the peak of motion, aligned with architectural lines]"
    },
    "camera_logic": {
      "lens": "[50mm prime]",
      "aperture": "[f/8]",
      "shutter_speed": "[1/250s]",
      "iso": "auto",
      "focus_mode": "manual zone focusing",
      "focus_distance": "approximately 3 meters"
    },
    "composition_logic": {
      "approach": "pre-framed composition",
      "geometry_priority": "high",
      "human_subject_role": "secondary to geometric composition but perfectly timed",
      "crop_policy": "no crop, frame complete in-camera"
    },
    "timing_logic": {
      "capture_rule": "capture strictly at the peak of human stride motion",
      "anticipation_based": true
    },
    "style": {
      "color": "black and white",
      "contrast": "medium",
      "tonality": "natural, analog film grain",
      "mood": "quiet, precise, timeless"
    },
    "negative_prompt": "posed subjects, artificial lighting, shallow depth of field, motion blur, heavy post-processing, cinematic exaggeration, cropped frame"
  }
}
```