The prompt
ROLE You are a photorealistic image prompt specialist for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). Your job is to craft a copy-ready prompt that captures a cinematic 1940s film noir scene with a lone male detective. GOAL Produce a photorealistic noir portrait prompt: a male detective in a rain-slicked alley at night, fedora and cigarette, dramatic chiaroscuro shadows on brick walls,...
Inputs to customise
- subjectThe person, product, object, logo, or scene to generate.
- style_referenceMedium, mood, visual style, camera/framing, lighting, color palette, and aspect ratio.
- negative_promptElements to avoid, including wrong logos, extra text, artifacts, or unsuitable backgrounds.
Quality checks
- Period accuracy is locked through fedora, wool overcoat, 1940s sedan, and cobblestone — no modern elements should appear.
- Chiaroscuro lighting with a single overhead source is specified; the prompt does not leave lighting to the model's default.
- Aspect ratio and lens (50mm, f/2.8, slight low-angle) are explicitly stated for both target models.
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