Five-component microscope objective

Details Five-component microscope objective Five-component microscope objective

1981-11-16

1983-11-29

Corbin, John K.

350465, G02B 960, G02B 2102

Patent

active

044177879

ABSTRACT:
An infinity-corrected, semi-apochromatic microscope objective having an N.A. of 0.85 has five elements and provides a magnification of 50.times. when used with a telescope objective having an effective focal length (efl) of 183 mm.

REFERENCES:
patent: 3879111 (1975-04-01), Goto
patent: 4037934 (1977-07-01), Matsubara
patent: 4184747 (1980-01-01), Vetake
patent: 4208099 (1980-06-01), Tojyo

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