This amount may vary depending on the size of the dots and the resolution at which you scanned. Add a Gaussian Blur of 3.7 pixels to essentially merge the dots and create smoother gradients. In Photoshop, duplicate the layer and make it a Smart Object – not necessary to do both. Sometimes you will want to scan the image at an angle to help avoid as much of a moire pattern as possible. But if it’s too late to change your camera angle, you can reduce or remove the Moire effect in Lightroom also. You can try to avoid it on camera by changing your focal point (away from the pattern causing the Moire), or changing the camera position. ![]() It can happen on TV too – you might have seen it there. ![]() Moire is caused by the intersecting of a fine pattern in the image with the pattern of the digital sensor in your camera. Moire usually appears outside of nature – you’re not going to see this in trees, for instance.
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