Zoom lens system

Details Zoom lens system Zoom lens system

1989-08-18

1990-12-11

Arnold, Bruce Y.

350413, 350426, G02B 15177

Patent

active

049765213

ABSTRACT:
A zoom lens system comprising a first lens unit having negative refractive power and a second lens unit having positive refractive power, so adapted as to change focal length thereof by varying the airspace reserved between said first lens unit and said second lens unit, and using at least one radial GRIN lens in said first lens unit. Said zoom lens system comprises a very small number of lens elements, and has distortion and chromatic aberration corrected especially favorably.

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