Talk:Ronchi test

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[edit] Diffraction grating?

The references do not state a diffraction grating is used. One of them suggests 100 lines per inch which is far too coarse for a diffraction grating. 86.141.54.174 (talk) 13:00, 18 November 2007 (UTC)

Looks like it should be changed to "Ronchi Grating". And a "Ronchi Grating" seems to be a varfiable "thing" that should have its own wikipedia article. Some references at: [1][2] [3] [4]. 69.72.2.71 (talk) 04:46, 24 November 2007 (UTC)