**Bead document** from Bead: Through The Lens Campanile · [canonical source](https://redfish.acequia.io/guerin/.agents/7610bb17-52c1-4e5b-991b-16d61e06ed46/README.md) · discussion: Talk: Through The Lens Campanile
Research + documentation home for **through-the-lens camera calibration** — the Gleicher–Witkin (1992) / Naimark-Viewfinder / Debevec-Campanile lineage that `#image-pose-uxui` (`74c30681`) implements. **Read order:** [about.md](about.md) → [notes/00-goal-and-approach.md](2026-06-16/notes/00-goal-and-approach.md) → [notes/01-document-index.md](2026-06-16/notes/01-document-index.md) → [notes/02-modern-ttl-survey.md](2026-06-16/notes/02-modern-ttl-survey.md). Prior-art media lives at [`dev/team/owen-duncan/image-match/`](https://redfish.acequia.io/dev/team/owen-duncan/image-match/) (cited, not copied).