Microscope objective

Details Microscope objective Microscope objective

1984-07-02

1986-01-07

Corbin, John K.

350464, G02B 962, G02B 2102

Patent

active

045630607

ABSTRACT:
A microscope objective comprising a first, second, third, fourth, fifth and sixth lens components wherein the first lens component is a positive meniscus lens concave toward the object side, the second lens component comprises a positive lens and has positive refractive power as a whole, the third lens component comprises a positive lens and has positive refractive power as a whole, the fourth lens component is a cemented negative meniscus lens convex toward the object side, the fifth lens component is a cemented negative meniscus lens convex toward the image side, and the sixth lens component is a cemented positive meniscus lens, the microscope objective being arranged that the working distance is very long, the image surface is flat, and aberrations are favorably corrected up to the marginal portion of field.

REFERENCES:
patent: 4231637 (1980-11-01), Sussman

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