Transmitted-light illuminating arrangement for a microscope

Details Transmitted-light illuminating arrangement for a microscope Transmitted-light illuminating arrangement for a microscope

1990-04-24

1991-07-16

Henry, Jon W.

350523, 350526, 350449, 350450, 350252, 350247, G02B 2108, G02B 702

Patent

active

050320114

ABSTRACT:
The invention is directed to a transmitted-light illuminating arrangement having a condenser including one or two lenses. A glass sphere is selected as the front lens for the condenser. The illuminating arrangement permits Kohler illuminating conditions to be set and yet has a simple configuration which can be economically produced.

REFERENCES:
patent: 2078586 (1937-04-01), Richter
patent: 2351736 (1944-06-01), Benford
patent: 3160698 (1964-12-01), Frey
patent: 4521076 (1985-06-01), Weber et al.

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