What is the name of this distortion or artifact? This is usually found in smartphone cameras, Nikon and Sony point-and-shoot cameras. This is not found in Canon point-and-shoot cameras, in Canon point-and-shoot cameras, instead of this distortion or artifact, a speckled pattern is seen.
When a photo taken with those cameras is seen in full resolution on a normal sized monitor, you can notice a kind of haziness, splotches and smudges around edges and lines in the photo, wherever they may be, not towards to edges of the frame. Is this due to sensor or lens, what is the name of such distortion or artifact?
The distortion/artifact I'm talking about is visible in the feathers of duck in this photo I've included a crop of the part that shows the distortion I am talking about:
In case the site prevents hotlinking, you can see the duck's photo in this review: https://www.photographyblog.com/reviews/nikon_coolpix_a900_review (Don't forget to click it to see in full resolution)
Here is another image:
Click on it see it full resolution, what is the distortion called which is everywhere on the house? What is the distortion/artifact called which makes the bushes before the house appear like green blobs?
Image of the house taken form DP review of P950.