> This is part of a series I'm undertaking on the internals of fine instruments. I use a special technique called focus stacking which has the effect of making

> This is part of a series I'm undertaking on the internals of fine instruments. I use a special technique called focus stacking which has the effect of making these small spaces seem vast. This is a simple optical illusion. Our brains are wired to expect close up macro shots to have a shallow depth of field. By combining dozens, sometimes hundreds, of shots I ensure that the photo is sharp from front to back. This tricks the mind into believing that the image is of something much larger than reality.