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This lens would shoot at several focus points (separate images) on the same sensor image, as far as I can tell. The pixel size of each image would be small unless you had a high MP sensor. It could be useful for image stacking if the quality of image is high enough, but I’m just speculating.

https://fstoppers.com/gear/new-patent-reveals-sony-could-release-lens-lets-you-take-image-and-choose-focus-479031

Joe

Basically the Lytro concept for regular cameras.