Epsom Salt at 5x Magnification

A small piece of Epsom Salt appears as large as a bolder when imaged at 5x on a high density APS-C sensor. Tack sharp images are elusive at 5x. Diffraction becomes noticeable at the f/16 aperture setting I used to get adequate depth of field.

Camera and Lens Settings (EXIF Information)

65mm f/16.0 1/160s ISO 100 size: 5184W x 3456H

Camera and Lens Used

Canon EOS Rebel T3i / 600D

Canon MP-E 65mm Macro Lens

Acratech GV2 Ballhead

Canon Speedlite 580EX II Flash

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