# Design of an 8x Four-group Inner-focus Zoom System Using a Focus Tunable Lens

> Research article (Journal of the Optical Society of Korea, 2016) · cited 14× · AI/ML

**Wikidata**: [openalex:W2418145921](https://www.wikidata.org/wiki/openalex:W2418145921)  
**Source**: https://4ort.xyz/entity/design-of-an-8x-four-group-inner-focus-zoom-system-using-a-focus-tunable-lens