Shini talks to us about optical instruments and how they make magnification possible. How do lenses work? How do they form images? Well, in order to understand how optics work, we have to understand ...

Binoculars have three main parts: the objective lens, prisms and the ocular lens. Binocular lenses are thicker in the middle and taper out to a thinner edge, which bends light toward the middle. These ...