Focusing device for microscopes

Details Focusing device for microscopes Focusing device for microscopes

1981-07-14

1983-11-08

Sikes, William L.

350521, G02B 700

Patent

active

044138890

ABSTRACT:
A focusing device for microscopes provided with a light shielding plate having an aperture extending from the center to the outer edge and rotatable around an optical axis in the position of an exit pupil of an objective lens or its conjugate image in order to be able to make focusing accurately even in the case of using an objective lens of any magnification.

REFERENCES:
Burcher et al., "Quasi-Microscope Concept for Planetary Missions: Stereo", Applied Optics, vol. 17, No. 14, pp. 2130-2132, Jul. 1978.

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