It is actually +-.2mm (about 0.008") in the article, which is why decimals should always be preceeded by a zero (ie 0.2) if there is no whole number component.

When I have a chance I want to test the accuracy of photomodeling software to see how it compares to laser scanning. I'm sure it won't be as good, but I would like to know reallistically what is achievable.

http://www.vi3dim.com/#!3d-reconstruction/c23jx  generates a 3d object from HD video

http://www.agisoft.ru/products/photoscan/standard/  generates a 3d object from still images