The optical performance is maximized by incorporating one ED glass element, one aspherical...
The optical performance is maximized by incorporating one ED glass element, one aspherical lens element, and four high-refractive-index glass elements.
The optical performance is maximized by incorporating one ED glass element, one aspherical lens element, and four high-refractive-index glass elements.
The optical performance is maximized by incorporating one ED glass element, one aspherical lens element, and four high-refractive-index glass elements.