Achromatic condenser

(Optics)

an achromatic lens used as a condenser.

achromatic condenser

[¦a·krə¦mad·ik kən′den·sər] (optics) A condenser designed to eliminate chromatic and spherical aberrations, usually through the use of four elements, two of which are achromatic lenses; used in microscopes having high magnification.

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