Light Lens Lab has introduced the 50mm f/1.5 "Z21" optic, which pays homage to one of the most revered and rare cine lenses in photography history: the P Angenieux Type S21 50mm f/1.5. Just recently, ...

(Nanowerk Spotlight) What makes contact lenses so attractive for the development of all kinds of biosensors is the fact that they swim on a film of tears – and tear fluid, along with sweat and saliva, ...