File talk:ZapfenEmpfindlichkeit.png

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A number of errors

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The graph is nice in so far as it is a rare example of showing absolute cone sensitivities rather than the ubiquitous relative sensitivities. However, the y-axis is incorrect as it is labelled, and annotated, as relative sensitivity. Furthermore, curve "Z" is likely not for a cone (as the file name would suggest), but is for rods. Finally, I could not find a graph in the cited source ("An ultraviolet receptor"), so am not sure how reliable it is. Strasburger (talk) 15:43, 23 April 2023 (UTC)[reply]