International Organization for Standardization (ISO)
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ISO 19012-1:2013
Scope
This part of ISO 19012 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. This part of ISO 19012 applies to visual observation using the combination of objective lens, tube lens and eyepiece, as specified by the manufacturer.
ISO 19012-1:2013 Referenced Document
ISO 10934-1 Optics and optical instruments - Vocabulary for microscopy - Part 1: Light microscopy
ISO 19012-1:2013 history
2013ISO 19012-1:2013 Microscopes.Designation of microscope objectives .Part 1: Flatness of field/Plan
2011ISO 19012-1:2011 Microscopes - Designation of microscope objectives - Part 1: Flatness of field/Plan
2007ISO 19012-1:2007 Optics and photonics - Designation of microscope objectives - Part 1: Flatness of field/Plan