The size of the Airy disk depends on the wavelength of the light (λ) and the numerical aperture (NA) of the objective lens. The spatial resolution of the microscope is determined by the ability to ...

Here’s an oldie but a goodie. [RunnerPack] stumbled upon an article from 2001 about building a stereo microscope from a pair of binoculars and a camera lens. With a ring light attached to the ...

Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the ...