1 July 1992 Testing and centering of lenses by means of a Hartmann test with four holes
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Abstract
The Hartmann test is frequently performed with a screen with many holes to test the quality of a mirror or the aberrations of a lens. An application of the simplest form of this test with only four holes is described. This test cannot detect spherical aberration, but it may be useful to align optical systems, to detect and measure focus errors, or to detect lens decenterings and coma.
Daniel Malacara-Hernandez, Zacarias Malacara, "Testing and centering of lenses by means of a Hartmann test with four holes," Optical Engineering 31(7), (1 July 1992). https://doi.org/10.1117/12.58835
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