Objective lens system for microscopes

Details Objective lens system for microscopes Objective lens system for microscopes

1990-08-23

1991-10-22

Arnold, Bruce Y.

Optical: systems and elements

Lens

With graded refractive index

359661, G02B 300

Patent

active

050590057

ABSTRACT:
An objective lens system for microscopes comprising a plurality of lens units including a first lens unit arranged at the foremost location and having a positive refractive power, and using a GRIN lens or GRIN lenses designed taking into consideration the characteristic of the glass materials currently available. The objective lens system for microscopes consists of a small number of lens elements and has favorably corrected aberrations.

REFERENCES:
patent: 4883346 (1989-11-01), Aoki et al.

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