Providing a closer look at the stars, galaxies and nebulas on a budget, these astronomy binoculars are a great first pair to ...

Magnification can be worked out from a photograph or drawing using the equation below: The same unit of measurement should be used when making the calculation - metre (m), millimetre (mm ...

The magnification of a lens on a microscope is shown by a multiplication sign followed by the amount the lens magnifies, eg ×10.