el amohadon de plumas

By: garodrig

cortometraje animado en espanol

Numerical aperture revisited

By: plintilh

N.A Plus immersion oil

Depth of focus

By: plintilh

Depth of focus - image plane

Depth of field

By: plintilh

Depth of field - object plane

Intro to Phase Contrast

By: plintilh

How phase contrast works

Phase contrast Demo

By: plintilh

Phase contrast demo

Phase Contrast in detail

By: plintilh

Phase contrast as an interference system

Parfocality

By: plintilh

Parfocal lenses

Intro to Polarized light and Nomarski optics

By: plintilh

Introducing polarized light and Nomarski optics