Rear converter lens system

Details Rear converter lens system Rear converter lens system

1989-12-26

1991-07-16

Sugarman, Scott J.

350413, G02B 1508

Patent

active

050320122

ABSTRACT:
A rear converter lens system comprising, in the order from the object side, a first lens component having positive refractive power and a second lens component having negative refractive power, and having aberrations, especially Petzval's sum and chromatic aberration, corrected favorably by using at least one GRIN lens element in the lens system.

REFERENCES:
patent: 4830476 (1989-05-01), Aoki
patent: 4859040 (1989-08-01), Kitagishi et al.

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