Helicon Focus

The Sirius tools all work that way.

Zerreen Stacker, Helicon Focus, the open source ones.

You shoot a bracket, you hand the folder to a stacking engine, it aligns and merges.

The phone is a capture device.

Focus stacking means taking multiple shots at different focus points and combining them in software so everything is sharp.

Apps like Helicon Focus do this, or Photoshop's AutoBlend.

It's more work.

But for reading part numbers across a whole board, it's the difference between one legible chip and a fully readable board.