Non-homogeneous objective lens having an aperture diaphragm

Details Non-homogeneous objective lens having an aperture diaphragm Non-homogeneous objective lens having an aperture diaphragm

1974-10-02

1976-02-03

Sacher, Paul A.

350 96GN, 350206, G02B 300

Patent

active

039361497

ABSTRACT:
A non-homogeneous objective lens having an aperture diaphragm is disclosed which can effectively obviate flare without giving any bad influence upon the field and which can improve picture image quality. The aperture diaphragm gives illumination which is sufficient to satisfy a rear relay lens system and is arranged near a position which is distant and spaced apart from a projected image end surface of the objective lens by

REFERENCES:
patent: 3655259 (1972-04-01), Miyauchi et al.
patent: 3658407 (1972-04-01), Kitano et al.

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