A compound lens consists of two lenses. Artificial ones are fused together to counteract each other’s light dispersion. In astronomy, a compound lens can form naturally when two galaxies align ...

In this new effort, the research team has found, for the first time, two galaxies that align in a way that allows their gravity to work as a compound lens. A compound lens, as its name suggests ...

Celestron Labs CB2000C Compound Binocular Microscope (White ... Firstly, having a quadruple nosepiece has enabled four objective lenses to be fitted, from 4X to 100X. Although we needed to ...