Objective lens system

Details Objective lens system Objective lens system

1996-09-12

1999-12-07

Epps, Georgia

Optical: systems and elements

Lens

With graded refractive index

359661, 359793, G02B 300

Patent

active

059993278

ABSTRACT:
An objective lens system consisting of a first lens unit having a negative refractive power and a second lens unit having a positive refractive power wherein the first lens unit or the second lens unit comprises at least one radial type gradient index lens element which has a refractive index distribution in a radial direction from an optical axis. This objective lens system favorably corrects chromatic aberration and other aberrations by adequately selecting a value expressing an Abbe's number and a refractive power of medium for the radial type gradient index lens element.

REFERENCES:
patent: 4784478 (1988-11-01), Takada
patent: 5268791 (1993-12-01), Tsuchida
patent: 5359456 (1994-10-01), Kikuchi
patent: 5377047 (1994-12-01), Broome et al.
patent: 5541775 (1996-07-01), Kiriki
patent: 5729389 (1998-03-01), Nagaoka

Affiliated with

Also associated with

Rating

Objective lens system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Objective lens system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Objective lens system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-830747