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> 2. What is the meaning of the negative radius value in the vignetting<br>
> correction tool?<br>
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</div>SHIFT+F1 over the settings to have documentation<br></blockquote><div><br>I've checked before asked, but no explanation there, nor in pdf (only about the positive value). But found in pdf from where the implementation comes from, so I will have a look there. I've asked because I hoped that this was an answer to my first question and hoped got the confirmation soon. However, no pressure now, the pictures have been sent to lab ... ;)<br>
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