Bravais lens

Details Bravais lens Bravais lens

1997-10-30

1999-10-12

Sugarman, Scott J.

Optical: systems and elements

Lens

Multiple component lenses

359642, G02B 956

Patent

active

059662522

ABSTRACT:
A Bravais lens includes a front, positive power lens group and a rear, negative power lens group. These lens groups, in combination, provide the Bravais lens with a negative focal length and a negative power. The front, positive power lens group includes a positive power lens element and a negative power lens element. The rear, negative power lens group includes another negative power lens element and another positive power lens element.

REFERENCES:
patent: 4799783 (1989-01-01), Takahashi et al.
patent: 5726814 (1998-03-01), Lidwell
Modern Optical Engineering, The Design of Optical Systems, Second Edition, Warren Smith, pp. 272, 380-382.

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