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Design of zoom system by the varifocal differential equation. I.

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Abstract

A new concept on differential movements for moving lens components is given. A unified varifocal differential equation is derived. The solvable region, solution exchange, quickly varifocal curve, etc., are discussed in detail. Some important types of zoom systems are discussed from the point of view of the varifocal differential equation.

© 1992 Optical Society of America

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