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US 2009/0153956 A1Published application
Microscope illumination apparatus
AssigneeOlympus Corporation
InventorKenichi Kusaka
Life of this patent
Estimating the term…
Abstract
A microscope illumination apparatus includes a light source, a collector lens for converting a light ray from the light source into an almost collimated light flux, a field stop provided in the almost collimated light flux from the collector lens, a field lens for converting a light ray from the field stop into an almost collimated light flux, and a condenser lens for collecting the almost collimated light flux from the field lens on a sample surface. The distance between the condenser lens and the field lens is variable.
Claims13
A microscope illumination apparatus, comprising:
- a light source;
- a collector lens for converting a light ray from the light source into an almost collimated light flux;
- a field stop comprised in the almost collimated light flux from the collector lens;
- a field lens for converting a light ray from the field stop into an almost collimated light flux;
- and
- a condenser lens for collecting the almost collimated light flux from the field lens on a sample surface, wherein
- a distance between the condenser lens and the field lens is variable.
4 more elements
Dependencies are inferred from the claim text.