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Is this a good example "contour doubling" bokeh? ... newbie question


AlbertoDeRoma

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I was reading the recent discussions about bokeh, and read some comments about "contour doubling" or "edge doubling".

 

Is the edge effect in the background in the picture below what people are talking about?

 

I must admit that it's not very attractive, and I have to assume it's a function of the lens and that there isn't much one can do about it ... right?

 

Thanks,

 

Alberto

 

M8, 28mm 'cron

 

Sprinkler.jpg

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This rings a bell. I have seen other threads recently, but struggle to remember where.

 

Do you use Lightroom?

 

Could it be a bug/feature in some LR release?

 

Just throwing memory fragments around ;)

 

Regards

Per

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Does not look like Bokeh to me, but some sort of post-processing artifact. This is the sort of thing that you get from convolution type filters.

 

Sonnar "T" 5cm F1.5 in LTM, wide-open, and at closest focus:

picture.php?albumid=141&pictureid=1283

 

The above example is more of the Double Bokeh.

 

Even more over-correction for spherical aberration in this Nikkor-S 5cm F1.4 in S-Mount.

Wide open.

picture.php?albumid=166&pictureid=1572

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Guest WPalank

My guess is that he used the plug-in Nik color-Efex Pro, "tonal contrast" somewhere along the way. That can create those sort of edges if you push the contrast to far.

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Wide open.

picture.php?albumid=166&pictureid=1572

 

I just wanted to take a moment and say everytime you post these shots I hate you a little more. This series with the foliage is SO damn good I'm positively green with Shooters' Envy. :) You're making me work! Thanks --Will

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Wide open.

picture.php?albumid=166&pictureid=1572

 

I just wanted to take a moment and say I hate you for having shot this series. Every time you post a shot from the set it makes me crazy. The moment and lens was exploited so damn well and the photos have such a wonderful look that I'm positively green with envy. :) Cheers! --Will

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Looks like there's some heavy post processing applied and this can be a by product of settings such as the Clarity slider in LR or the equivalent in other software.

Yes, the fill light function also creates this effect.

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