Centering of lenses

Details Centering of lenses Centering of lenses

1975-01-27

1977-09-06

Evans, F. L.

350252, G02B 702, B29D 1100

Patent

active

040464580

ABSTRACT:
A method of optically centering a lens, in which each lens is placed between two clamping pipes, after which the clamping pipes are moved towards each other. A pressurized fluid flows between the lens and bearing surfaces on the pipe ends to eliminate friction which would prevent accurate centering. The lens may then be cemented to the lower clamping pipe as a lens mount. A number of mounting rims may be similary stacked in sequence on the mount to form a lens assembly.

REFERENCES:
patent: 2266169 (1941-12-01), Crumrine
patent: 3466728 (1969-09-01), Warner
patent: 3599377 (1971-08-01), Dartnell
Carnell et al., Optica Acta, vol. 21, No. 8, Aug. 1974 pp. 615-629.

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