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ISO 9345-2 2nd Edition, September 15, 2014 Microscopes - Imaging distances related to mechanical reference planes - Part 2: Infinity-corrected optical systems
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO 9345 specifies the imaging distances of
objectives, eyepieces and the focal length of "normal" tube lenses
of microscopes with infinity-corrected optical systems.
NOTE A specific combination of eyepiece, objective, and tube
lens is frequently used to correct aberrations. Therefore the
combination of an objective from one manufacturer and the tube lens
or eyepiece from another manufacturer, although conforming to this
part of ISO 9345, can cause errors in magnification and/or in
optical performance.