Compound aspherical lens

Details Compound aspherical lens Compound aspherical lens

1991-08-07

1992-11-03

Arnold, Bruce Y.

Optical: systems and elements

Lens

Including a nonspherical surface

359811, 359819, 359827, G02B 1100, G02B 702

Patent

active

051610612

ABSTRACT:
A compound aspherical lens comprising: a hard lens; a soft lens laminated to the hard lens in a direction of the optical axis; and a lens supporting surface formed around the effective diameter of the hard lens and exposed in the direction of the optical axis when the soft lens is laminated to the hard lens.

REFERENCES:
patent: 2351736 (1944-06-01), Benford
patent: 4577935 (1986-03-01), Yamakawa et al.
patent: 4662717 (1987-05-01), Yamada et al.

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