Yes. If the sharp image is in the same plane as the scratch when you move your head they will stay together. Otherwise they move relative to each other because they are different distances away. Similar to how someone in the doorway only moves relative to the door frame when you move yourself if the person is behind or in front of the frame. This is a very accurate way to focus if you can get used to it.
The term to search for is aerial focus..
https://www.largeformatphotography.i...erial-focusing
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