# GPT Image Hub prompt

## 决定性瞬间黑白街头摄影
- URL: https://www.gptimagehub.com/zh-CN/library/decisive-moment-street-photography
- Generator URL: https://www.gptimagehub.com/zh-CN/generate?promptId=oss-ym-mm-8661
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fzh-CN%2Flibrary%2Fdecisive-moment-street-photography
- Category: 人像与摄影
- Model: nanobananapro
- Aspect ratio: 3:2
- Style: photorealistic
- Tags: 街头摄影, 黑白, 决定性瞬间, 城市几何, 胶片质感, 单色
- Updated: 2026-10-27T12:18:23.098Z
- Created: 2026-10-27T12:18:23.098Z

生成经典黑白街头抓拍照片，人物与城市建筑几何线条严密契合。可自定义街头场景、光线条件或相机镜头参数以变换构图效果。

### Full prompt
```text
{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "street_photography_decisive_moment",
      "language": "zh",
      "priority": "highest",
      "version": "v1.0_DECISIVE_MOMENT_GEOMETRY_NO_CROP"
    },
    "scene": {
      "location": "[繁华的城市街角]",
      "time_of_day": "[白天]",
      "environment": "仅自然光，无人工照明",
      "activity": "[行人在具有强烈几何感的建筑背景前穿行]",
      "moment_description": "[单一行人在步态运动最高峰踏入画面，与建筑线条完美呼应]"
    },
    "camera_logic": {
      "lens": "[50mm定焦镜头]",
      "aperture": "[f/8]",
      "shutter_speed": "[1/250秒]",
      "iso": "自动",
      "focus_mode": "手动超焦距对焦",
      "focus_distance": "约3米"
    },
    "composition_logic": {
      "approach": "预先构图",
      "geometry_priority": "高",
      "human_subject_role": "服从于几何构图但抓拍时机精准",
      "crop_policy": "无二次裁切，相机内完成完整构图"
    },
    "timing_logic": {
      "capture_rule": "精准抓拍人类行走姿态的高峰瞬间",
      "anticipation_based": true
    },
    "style": {
      "color": "黑白",
      "contrast": "中等",
      "tonality": "自然，胶片质感",
      "mood": "宁静、精确、恒久"
    },
    "negative_prompt": "摆拍人物，人工光源，浅景深，运动模糊，重度后期，电影化夸张，裁切"
  }
}
```