One Prompt Restores a 174-Year-Old Photo in Gemini Without Changing Details
michaelrabone · x · 2026-09-09
User @michaelrabone demonstrated restoring the 1852 photo of Conrad Heyer — born 1749, one of the earliest people ever photographed — using Google Gemini (Nano Banana).
The key is prompt structure:
- "Restore this old photo without changing any details" — state the no-detail-change constraint first
- "Add modern photographic colours but do not change any details" — repeat the constraint when adding color
The thread shows the original alongside multiple restored results with natural-looking results — a practical, copy-paste-ready prompt pattern for old photo restoration.
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