# Hand-guided qualitative deflectometry with a mobile device

> Research article (Optics Express, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3008982455](https://www.wikidata.org/wiki/openalex:W3008982455)  
**Source**: https://4ort.xyz/entity/hand-guided-qualitative-deflectometry-with-a-mobile-device