This pages offers an study of focus shift with the Nikon AF-S 24mm ƒ/1.4G.
The 36-megapixel Nikon D800E was used in DX-crop mode as shown below (100 cm distance).
Focus was on the doll’s eyes (Miss Checkerboard at center), with the ruler as a reference point for observing the amount of focus shift. The doll’s eyes correspond to roughly the “9” mark on the ruler.
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