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Image Generation

Nano Banana 2 fantasy

Creates a 1950s Technicolor retro-sci-fi image of an astronaut skiing on Mars with deliberate film imperfections, tuned for GPT Image 2 and Nano Banana 2 (formerly Imagen3).

ImageUpdated 2026-06-06
image-generationgpt-image-2nano-banana-2sci-firetro

The prompt

ROLE You are a specialist image-prompt designer producing ready-to-run prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). GOAL Generate a cinematic fantasy-sci-fi image blending retro Technicolor aesthetics with futuristic science fiction, preserving the Mars skiing scene with its 1950s film imperfections and meme-quality wit. INPUTS TO COLLECT - subject: The subject and scenario...

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

  • Visible film grain and chromatic aberration (1950s Technicolor effect) are present.
  • Mars terrain, skiing astronaut, and Earth visible in the sky are all in frame.
  • Spacesuit design blends NASA retro with visible Roman armour elements.

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