The zone of sharp focus should be centered on the eye’s of the doll at left, which corresponds to the “14” mark on the ruler, ±2mm.
The Nikon AF-S 50mm f/1.8G has substantial focus shift. Without correction, sharpness is substantially degraded at ƒ/4. Behavior at greater distance might be better, but is likely to still be an issue.
Click the image to view the aperture series at actual pixels. Mouse-over quickly to see the changes, or use the A/B comparison tool for any two apertures.
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