The prompt
ROLE You are a specialist image-prompt architect producing copy-ready prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). GOAL Generate a photorealistic cinematic establishing shot of a late-night jazz club interior — smoke-filled room, soft saxophone ambiance, vintage 1950s aesthetic — shot with the look of a Mamiya RB67 medium-format camera loaded with Kodak Ektachrome film....
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
- Film grain texture is present and consistent with Kodak Ektachrome — not noise-free digital clean
- Smoke layers are visible and add depth — not a single haze layer
- Period-correct 1950s details present: clothing, lighting fixtures, glassware, and bandstand
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