Refraction is when light bends as it passes from one transparent substance into another, and affects how objects are perceived. For example. rainbows are the result of refraction. Chromatic aberration is the effect from refraction when different wavelengths of light pass through slightly different angles, resulting in a failure to focus. Depending on the amount of chromatic aberration used in a post-process volume, you will either end up with some blurring around the edges of the scene, or with blurring throughout the entire scene.
chromatic aberration
Refraction is when light bends as it passes from one transparent substance into another, and affects how objects are perceived. Fpr example. rainbows are the result of refraction.
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