Anamorphic scanner lens system

Details Anamorphic scanner lens system Anamorphic scanner lens system

1976-10-29

1977-11-01

Sacher, Paul A.

350176, 350190, 350206, G02B 1308, G02B 306

Patent

active

040563073

ABSTRACT:
An improved anamorphic scanner lens system including seven axially aligned cylindrical lens elements, the cylinder axes of the surfaces of the first six elements being disposed at right angles to the direction of the scan line, the axis of the front surfaces of the last element being parallel to the scan line and the rear surface thereof being substantially flat, the first six cylinders being arranged in pairs with each pair consisting of a biconvex positive lens and a negative meniscus lens, the concave side of the menisci alternate pointing toward the direction of the light, and an aperture stop disposed in front of the first lens.

REFERENCES:
patent: 2719457 (1955-10-01), Tripp
patent: 2720813 (1955-10-01), Cox

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