Left: Images of fluorescent particles that are above, at and below (top to bottom) the vertical position of best focus of a microscope. Calibrating the effects of lens aberrations on the apparent ...

An interview with Ian Holland, discussing the differences in microscope cameras and how to determine which one is most suitable for specific pathology applications, conducted by James Ives (MPsych) ...

It’s a problem that few of us will ever face, but if you ever have to calibrate your scanning electron microscope, you’ll need a resolution target with a high contrast under an electron beam. This ...