Diffraction-limited system
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In optics, any optical instrument or system—a microscope, telescope, or camera—has a principal limit to its resolution due to the physics of diffraction. An optical instrument is said to be diffractio
Ernst Abbe memorial
Loupe binoculaire p 1030891
Numerical aperture
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In optics, the numerical aperture of an optical system is a dimensionless number that characterizes the range of angles over which the system can accept or emit light. By incorporating index of refrac
Diffraction-limited system
…in the construction. For microscopic instruments, the diffraction-limited spatial resolution is proportional to the light wavelength, and to the numerical aperture of either the objective or the object illumination source, whichever is smaller. In astronomy, a diffraction-limited observation is one that achieves…
Microscope objective with a numerical aperture of 0.25