A Method of Measuring Axial Chromatic Aberration in an Objective Lens
A method of measuring axial chromatic aberration is described in which an image of a line grating test object illuminated by a monochromator is formed by the lens under test. The image thus formed is projected onto a steeply inclined photographic plate by means of a highly corrected microscope objective. Individual exposures are made at selected wavelengths and a curve showing the change of image, position as a function of wavelength for the lens under test is readily derived from measurement of the developed plate. Data are given showing the order of agreement attained between computed values of axial chromatic aberration and values obtained by this method.
- Print ISSN
- 0097-5834
- Published
- 1933-04
- Content type
- Original Research
- DOI
- 10.5594/J10142
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