# GPT Image Hub prompt

## Aperture Comparison Portrait Series at Dusk
- URL: https://www.gptimagehub.com/library/aperture-comparison-portrait-series-at-dusk
- Generator URL: https://www.gptimagehub.com/generate?promptId=oss-ym-mm-153
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Flibrary%2Faperture-comparison-portrait-series-at-dusk
- Category: Portrait & Photography
- Model: nanobananapro
- Aspect ratio: 16:9
- Style: photorealistic
- Tags: aperture study, depth of field, blue hour, portrait photography, canon 85mm, bokeh, cityscape
- Updated: 2026-10-27T20:26:18.098Z
- Created: 2026-10-27T20:26:18.098Z

Generate a four-panel camera aperture comparison of a model during blue hour. Customize the aperture stops, subject appearance, or urban backdrop.

### Full prompt
```text
A photographic comparison series in a four-panel grid demonstrating the optical effects of changing aperture values at [f/1.8, f/2.8, f/10, and f/14]. Each panel captures the same [gentle, beautiful woman] in a portrait shot with a [Canon 85mm prime lens], standing against a [city skyline during blue hour just after sunset]. The panels progress from extreme shallow depth of field with creamy circular bokeh lights at f/1.8, to moderate background blur at f/2.8, to increasingly sharp city architecture and distinct details at f/10 and f/14.
```