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Picture quality


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Hello there,

I have just started my adventure with DIC. I prefer to learn how to use it before my company will buy Aramis. That is why I was trying to measure sample deformation with my own Nikon d3100. I can see the speckle patern quite well but it is nearly impossible to define speckle for the software "Correlate 2019". What am I doing wrong? What kind of possible solutions can I implement to overcome my difficulties?

Looking forward for your reply.

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Firstly the images look incredibly washed out so there is likely no chance to see contrast differences . Flash use , aperture , focal length needs to be fixed.

Secondly from what i can see the speckle pattern is going to be very small from that far away

Thirdly with a single camera you can olnly capture things in 2d , and you are not square to the samples by the looks of it so this will not help.

 

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