Four element microscope objective

Details Four element microscope objective Four element microscope objective

1975-08-01

1976-08-17

Corbin, John K.

350230, G02B 904, G02B 2102

Patent

active

039750876

ABSTRACT:
A four element microscope objective has a predetermined magnification and a numerical aperture of substantially 0.10. The microscope objective provides correction for the usual chromatic aberrations as well as spherical aberrations, coma, astigmatism and a substantially flat image field over a 24mm field when used with a telescope objective as described in U.S. Pat. No. 3,355,234 and a typical 10.times. eyepiece.

REFERENCES:
patent: 3176583 (1965-04-01), Klein
patent: 3227041 (1966-01-01), Muszumaski

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