The European Space Agency (ESA) has named this lens the Einstein ring. It is quite a rare phenomenon when there is another ... Such distortions, which create the Einstein ring effect, become possible ...

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 ...

Sony India has significantly increased its Alpha lens lineup with the release of the FE 400-800mm F6.3-8 G OSS (SEL400800G) lens. This marks a significant miles ...