Objective lens system for microscopes

Optical: systems and elements – Lens – With graded refractive index

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359652, G02B 300

Patent

active

052394131

ABSTRACT:
A high performance objective lens system for microscopes comprising a plurality but a very small number of lens elements at least one of which is designed as an axial GRIN lens element.

REFERENCES:
patent: 4776679 (1988-10-01), Kitagishi et al.
patent: 4842386 (1989-06-01), Kitagishi et al.
patent: 4848882 (1989-07-01), Suzuki et al.
patent: 4880298 (1989-11-01), Takada
patent: 4930880 (1990-06-01), Miyauchi
patent: 5059005 (1991-10-01), Kawano

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