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Rear camera zoom artefact

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One time poster
Message 1 of 3
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Message 1 of 3

Rear camera zoom artefact

I notice that when I zoom in to a scene which has high contrast edges (dark buildings against light sky; other dark object against light background) there is a very obvious and bright outline artefact that haloes the edge of the darker object. I can send an example if necessary. On cameras this usually indicates some problem with the image processing engine. It is only severe when I zoom not in normal focal length. Do others suffer from this? If so is there a fix - other than not using the zoom?

Thanks

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Pioneer
Message 3 of 3
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Message 3 of 3

Re: Rear camera zoom artefact

That’s the usual Sony postprocessing oversharpening. You can use different camera apps like Snap Camera or HedgeCam 2, where you can select no postprocessing, so you will get pictures with no halos, but with more noise. 

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Moderator
Message 2 of 3
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Message 2 of 3

Re: Rear camera zoom artefact

You'll always get that on digital zoom, what it's doing is cropping and then upscaling so whatever edge halo is present in the crop, unfortunately gets upscaled too.

I think a lot of it is down to how each camera detects and processes edge noise reduction.



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Pioneer
Message 3 of 3
1,229 Views
Message 3 of 3

Re: Rear camera zoom artefact

That’s the usual Sony postprocessing oversharpening. You can use different camera apps like Snap Camera or HedgeCam 2, where you can select no postprocessing, so you will get pictures with no halos, but with more noise.