# Camera Matching Strategies

## Summary

Camera matching aligns a virtual camera with the source imagery. Match sensor and metadata first, solve the perspective with fSpy or the Blender camera, set one reference distance for scale, then check the result against the accuracy limits above before you trust any measurement.

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#### Resources

- [Perspective Deep Dive](./perspective.md) — the theory behind vanishing points and the horizon line
- [Perspective Plotter](../../../addons/perspective-plotter.mdx) — in-Blender perspective matching
- [Dolly Zoom](../../../addons/dolly-zoom.mdx) — isolating perspective distortion
- [fSpy Documentation](https://fspy.io/)

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#### Sources

1. [fSpy](https://fspy.io/) — open-source camera matching from vanishing points <span id="ref-1" />

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