Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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It is only a very slight over-simplification to describe lateral chromatic aberration as the situation in which different colours produce pictures of slightly different sizes. Seen in that light, it's merely a matter of adjusting (slightly) the image size in one or more channels so that everything comes back into registration. In this article on The Online ...


Transverse chromatic aberration: The focal length a measurement, lens to image plane, when imaging a far distant subject. The camera lens is a converging lens. Light from an object at infinity enters the lens as parallel rays. The lens bends these inward. The path of the image forming rays trace out a cone. The camera is focused. This adjusts the distance, ...


The way around the limit is to export the image and apply correction to it again. You can do this any number of times to reach 200 or 1000 or more cummalatively. If you use a lossless format such TIFF or DNG (Not sure how Lightroom stores PSDs, most likely that too is lossless) then there should not be any artifacts due to multiple cycles of processing. ...

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