![Dual aperture mechanism patent](https://petapixel.com/assets/uploads/2023/11/Depositphotos_468960466_XL-300x157.jpg)
Patented Dual Aperture Design Offers Soft Bokeh and Pointy Sunstars
Hong Kong-based inventor Chan Yuk Sum has patented a clever dual aperture mechanism that allows photographers to achieve the beautiful bokeh effects of a circular aperture mechanism and the superior Sunstars of a polygonal opening, all in one lens.