Focus Stacking Macro Photographs with a Hacked Flatbed Scanner

This is a brief excerpt from PetaPixel

Focus stacking is when you combine multiple photographs of different focus distances in order to obtain a single photo with a much greater depth of field than any of the individual shots. This can be done by turning the zoom ring on your lens, but this can be difficult to control (especially for highly magnified photos). It can also be done using special rigs designed for the purpose, but those are generally quite pricey.

Photographer and software engineer David Hunt recently came up with the brilliant idea of turning an old flatbed scanner into a macro rail for shooting focus-stacking photos.Hunt writes that the main question was whether the scan element could support a hefty DSLR and lens:

I came up with the idea of re-purposing an old flat-bed scanner that I had in the attic gathering dust. It’s so old, that the most recent drivers available for it are for Windows XP. So it hasn’t been used in a couple of years. Being a scanner capable of 2400 dpi, it was definitely accurate enough, but would it be able to move a 3KG camera and lens? If I could get at the stepper motor to drive the …

By: Michael Zhang

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