Color enhancing lens

Details Color enhancing lens Color enhancing lens

1990-09-26

1992-09-22

Ben, Loha

Optical: systems and elements

Absorption filter

359350, 359722, 351163, G02B 520

Patent

active

051491834

ABSTRACT:
A color enhancing sun lens comprising a lens having an integrated visible light transmission, with respect to CIE illuminant C, of less than 40% T, wherein the transmission over a 10 nm wide band centered on 480 nm and a second 10 nm wide band centered on 630 nm is at least 1.5 times the integrated visible light transmission of the lens.

REFERENCES:
patent: 4650605 (1987-03-01), Vance
patent: 4783142 (1988-11-01), Mutzhas
patent: 4793668 (1988-12-01), Longstaff
patent: 4798427 (1989-01-01), Sear

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