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Pourquoi que j'ai un problème d'artefacts sur cette photo là ? Merci

Community Beginner ,
May 22, 2020 May 22, 2020

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bonjour Pourquoi que j'ai un problème d'artefacts sur cette photo là ? Merci 

 

_DSC0254 f.JPG

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correct answers 1 Correct answer

Adobe Community Professional , May 23, 2020 May 23, 2020
I've looked at the specs of your Nikon z6, it's fine. The reason for artefacts, is probably due to your high ISO of 10000 -according to your metadata of the photo. You have noise in the sky which is noticeable when zoomed in. The shadow area needs to be lightened up a bit, as well the converging lines should be fixed to a degree. White balance also needs to be changed, and some noise reduction. I don't think it is worth resubmitting, but to give you an idea of what you can do here is an example:...

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Adobe Community Professional ,
May 23, 2020 May 23, 2020

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I see noise in the sky area and excessive processing with the walls. The excessive processing is probably due to a picture taken with a phone or a small sensor camera. That processing makes that the wall structure looks washed out if inspected at 100%.

ABAMBO | Hard- and Software Engineer | Photographer

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Community Beginner ,
May 23, 2020 May 23, 2020

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Bonjour est ce que le problème des murs peuvent être a cause du poste traiment de mon nikon z 6 ?

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Adobe Community Professional ,
May 24, 2020 May 24, 2020

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Non, le Z6 devrait être parfait. Mais comme Ricky dit, ISO 10 000 est le problème. 

 

Mais plusieurs choses:

  • Ton image a été pris à 1/500s, mais pris par la main, tu peux facilement descendre à 1/100 voire même si tu est bon à 1/20. En conséquence tu peut baisser l'ISO en fonction. 
  • Shoot en RAW et fait le finissage à l'ordinateur.

La photo est perdue pour Adobe stock mais elle peut quand même encore servir pour ton plaisir privé.

ABAMBO | Hard- and Software Engineer | Photographer

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Adobe Community Professional ,
May 23, 2020 May 23, 2020

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I've looked at the specs of your Nikon z6, it's fine. The reason for artefacts, is probably due to your high ISO of 10000 -according to your metadata of the photo. You have noise in the sky which is noticeable when zoomed in.

The shadow area needs to be lightened up a bit, as well the converging lines should be fixed to a degree. White balance also needs to be changed, and some noise reduction. I don't think it is worth resubmitting, but to give you an idea of what you can do here is an example:

 

_DSC0254 fexample.jpg

 

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