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ISO 19012-1:2007

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Optics and photonics — Designation of microscope objectives — Part 1: Flatness of field/Plan

ISO 19012-1:2007 specifies the use of the marking, "Plan" on microscope objectives, and defines the diameter of the sharp region of the primary image of a flat object surface. ISO 19012-1:2007 applies to visual observation using the combination of objective lens, tube lens and eyepiece as specified by the manufacturer.

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ISO 19012-1:2007

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