Hi Romain... you already know from a previous comment that I have an issue with so much vignetting so just out of interest what lens are you using to have it so pronounced?
I questioned myself as to why I find it so irritating. I feel like I am being forced to look into the lighter areas as if there were a row of guards along the perimeter, and that my choice to look around the image has been somewhat removed - (which is of course not true.)
With the strength of the vignetting, I feel like the photographer is ushering me with a firm grasp on my elbow to look into a specific area and directing me instead of allowing me visually to meander there myself in a more exploratory and subtle way.
....perhaps I am just inclined to resist being told what to do!
I love vignetting, because it's closing the picture and you feel "inside" it.
everything is directed by the composition and the light, like a tunnel...
it's like playing with the DOF but with the light.
you should just let the picture control you, stop fighting it...Oh sounds scarry
I use different lenses, sometimes I shoot wide open on a full frame, so the vignetting is very strong, if it's not the case I push it with the raw files then you color correct the dark with the curve .
that is another example of strong vignetting.
but I do also picture where you're not prisoner, (the color picture)
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