# A collimated beam projector for precise telescope calibration

> Research article (Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE, 2016) · cited 14× · AI/ML

**Wikidata**: [openalex:W2496042446](https://www.wikidata.org/wiki/openalex:W2496042446)  
**Source**: https://4ort.xyz/entity/a-collimated-beam-projector-for-precise-telescope-calibration