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Film v digital   -   Page   6
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Posted: Fri Sep 4th, 2020 15:10
 
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Eric



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jk wrote:
I can see something there but it is not obvious banding unless I downgrade the image resolution to 1080 as Robert says.

I dont pretend to understand this as it seems real but I need convincing it is not an interaction of screen resolution and final resolution of the saved image.

Surely if it were merely a screen effect, it would be there in the film image? I only see it in the D500 image.

It's there in the colour image and has been amplified in the mono conversion.  On reflection, it can't be banding as it's not parallel with the frame. Wonder if it's a cloud effect that's not captured by the film version??



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Posted: Fri Sep 4th, 2020 16:10
 
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chrisbet



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Or maybe a refractive effect in the atmosphere caused by an interface between temperature levels - it has an almost wave like appearance.



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Posted: Fri Sep 4th, 2020 16:57
 
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Eric



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chrisbet wrote:
Or maybe a refractive effect in the atmosphere caused by an interface between temperature levels - it has an almost wave like appearance.
But it's not evident in the Rolleiflex photograph.....so must be something only a sensor is seeing?



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Posted: Fri Sep 4th, 2020 17:21
 
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Graham Whistler



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Looking at other views taken at the same time clouds were in parallel light dark thin layers you can see this in pix low left sky. This pix clearly shows on my large screen no camera faults in the sky?

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Posted: Fri Sep 4th, 2020 17:26
 
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Graham Whistler



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Made this dark?

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Posted: Fri Sep 4th, 2020 18:18
 
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jk



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I can see the effect that Eric is describing on my iPad.
I must have been looking at the wrong image!
Yes it is in the D500 image but not the film image.



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Posted: Sat Sep 5th, 2020 02:51
 
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Graham Whistler



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The same file open new again from NEF and did Eric crop: no sign of banding but let me know what you think? There were some strange looking light misty bands of cloud that morning but perhaps internet or JPG file got messed with uploading. 

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Posted: Sat Sep 5th, 2020 03:34
 
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Eric



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Nothing wrong with those images Graham. Must have been internet gremlins.



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Posted: Sat Sep 5th, 2020 05:59
 
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Eric



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chrisbet wrote:
Looks like there ARE bands in that sky - more noticeable if you defocus your eyes.
Just asked the wife if she can see any bands on that image and she said ...”yes...... it's more noticeable if you defocus your eyes”.

Have you been colluding?  :lol:



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Posted: Sat Sep 5th, 2020 06:59
 
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chrisbet



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Certainly not! :lol:

But it is well known that peripheral vision is more sensitive in some respects - I think that the brain is messing with reality if you focus directly on something!



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