illuminating aperture stop
The aperture stop that controls the angle of sample illumination, and thus resolution and depth of field. It is located in a conjugate aperture plane in the illumination optics.
Synonyms: illuminating aperture diaphragm
The aperture stop that controls the angle of sample illumination, and thus resolution and depth of field. It is located in a conjugate aperture plane in the illumination optics.
Synonyms: illuminating aperture diaphragm