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.
Status : WithdrawnPublication date : 2007-06
Edition : 1Number of pages : 6
Technical Committee:Microscopes and endoscopes