This engineering exam, which is a gateway to some of the premium engineering colleges such as IITs, NITs and more, cover ...

Way, way back, in 1912, Johan Steenberg, a Dutchman, living in Dresden, Germany, started Ihagee to make cameras. His firm ...

Abstract: Aimed to resolve the beam splitting in high frequency, an improved half-biconical antenna using an irregular dielectric lens is designed. Based on the conventional shark antenna, the metal ...

The Sigma 135mm f/1.4 DG Art is the fastest lens of its type, designed to deliver the best bokeh that money can buy ...

Super EBC, which stands for Super Electron Beam Coating, is Fujifilm's proprietary multi-layer lens coating. It's meant to ...

Abstract: Two-dimensional (2D) Luneburg lenses are attracting increasing research interest due to their unique beam collimation and steering capabilities. This paper explores the design and potential ...