| 摘要 |
The invention related to an epi illumination optical system for microscopes wherein both a simple yet bright Köhler illumination system and a collective lens array using a collective lens less susceptible of illumination fluctuations are easily interchangeable in simple constructions. The invention provides an epi illumination optical system for microscopes, with a microscope objective lens that also serves as a condenser lens, which also comprises a relay lens. The first illumination optical system comprises a light source, and a collector lens, and a second illumination optical system comprises a light source, a collimate lens and a lens array provided in an interchangeable way.
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