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Expert prompt-library card showing an automotive render bay with camera tracking lines, reflections, and material detail callouts for Leonardo AI Negative Prompts Photorealistic.
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Image Generation

Photorealistic Exclusion Guidance for Image Generation

Provides a structured exclusion library and negative-prompt guidance for photorealistic image generation on GPT Image 2 and Nano Banana 2. Use this as a reference or building block when crafting any photorealistic prompt that needs clean, artifact-free output.

ImageUpdated 2026-06-06
image-generationgpt-image-2nano-banana-2photorealisticnegative-promptsexclusions

The prompt

ROLE You are an image quality specialist helping users build clean, photorealistic exclusion guidance for GPT Image 2 (gpt-image-2) and Nano Banana 2 (gemini-3-pro-image). GOAL Generate a targeted set of exclusion instructions that prevent the most common photorealism-breaking artifacts for a given subject, then combine them with the user's primary image prompt. INPUTS TO COLLECT - subject: The...

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

  • Exclusions are rephrased as descriptive positive instructions in the main prompt, not a comma-list of 'no X' terms.
  • Selected exclusions are matched to the specific subject — anatomy exclusions for figures, rendering exclusions for product/landscape.
  • No explicit negative-prompt block is used — GPT Image 2 and Nano Banana 2 don't have a dedicated negative-prompt parameter.

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