Holographic photopolymers were developed, as the name implies, for holography. However, they can be programmed with a variety of gradient index (GRIN) structures including diffractive and refractive ...

Even when additional features were incorporated into the models 33, for instance aspheric surfaces or the gradient index of the lens, the performance of real eyes considerably differs from the ...

Instax Wide Brushed Metallics instant film pack features a metallic, dark gradient border ... The post New camera features widest Instax lens appeared first on Gadget. This article may contain ...