Focal relay lens system for an inverted microscope

Details Focal relay lens system for an inverted microscope Focal relay lens system for an inverted microscope

1978-09-14

1980-05-27

Henry, Jon W.

350212, 350 54, G02B 912

Patent

active

042047480

ABSTRACT:
An afocal relay lens system comprising a first lens group consisting of a positive cemented doublet and a second lens group consisting of a positive cemented doublet and a negative cemented doublet, and being arranged between the contact surface of the revolver and that of the microscope tube. The afocal relay lens system permits prolonging the mechanical tube length without changing the equivalent optical tube length.

REFERENCES:
patent: 3202047 (1965-08-01), Lawler
patent: 4047794 (1977-09-01), Park et al.

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