With its characteristic of diverging light rays, plano-concave lenses are widely used in optics, lasers, photography, scientific research, medical treatment, industrial testing and other fields, and ...

especially when it’s possible to cast custom lenses at home using silicone molds and epoxy resins. Possible, but not exactly easy, as [Zachary Tong] relates. His journey into custom DIY optics ...

He leads a team that uses fluids to create complex optics quickly and cheaply, and the process looks remarkably simple. It’s something akin to the injection-molded lenses that are common in mass ...

We specialize in producing crystal optics mainly made of SAPPHIRE, Fused Silica, Glass, Silicon and coating. Products include windows, Plano-Convex/concave lenses, spherical lenses, prisms, rods & ...

Convex and concave lenses can both be used to correct defects of vision. The most commonly occurring defects of vision are ‘short sightedness’ and ‘long sightedness’. People who are ...

The questions in this quiz are suitable for GCSE physics students studying convex and concave lenses, real and virtual images, magnification and colour. If you struggled with the quiz, don't panic ...

Large diameter, high precision concave spherical mirror . Image Credit: Optical Surfaces Ltd. Supersonic wind tunnels are commonly used by engineers to test and improve the ...