ISO addresses optical transfer function

Robert E. Parks

The International Standards Organization (ISO) has issued Draft International Standard (DIS) 9334, Optics and optical instruments—Optical transfer function—Definitions and mathematical relationships, for comment and approval by the various international member bodies of ISO. Because of the fundamental nature of the optical transfer function to the assessment of performance of optical instruments, it seems justifiable to devote this month's column to this DIS.

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