Achromatic aplanatic condenser

Details Achromatic aplanatic condenser Achromatic aplanatic condenser

G - Physics

02

B

88/99

G02B 11/14 (2006.01) G02B 21/08 (2006.01)

Patent

CA 1043607

ACHROMATIC APLANATIC CONDENSER ABSTRACT OF DISCLOSURE An Achromatic Aplanatic Condenser having a numerical aperture of 1.30 has 3 components, a double convex doublet as the first component, a miniscus lens as the second component and a convex plano doublet as the third component all being aligned along an optical axis and having a front pupil plane external to said condenser. The condenser is well corrected for spherical and chromatic abberations and capable of uniformly filling a field of about 2.4mm in diameter.

241529

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