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You can learn more about what Forman and his colleagues are doing via the University of Cambridge Instil of Engineering .
The size of these images is measured in μm, or microns, which are one thousandth of a millimeter. In the beetle eye each party lens is 12μm (the thickness of cling film), and the entire eye is about 750μm across (about the thickness of 5 sheets of composition). The entire image is about 240μm across (roughly the size of a really thick bit of altruist hair). On the fruit fly eye, each lens is about 10μm, and the entire eye is about 200-300μm. The overall distance across the image is about 115μm.
You can see more of Forman's images via Flickr .
This is the first in a series of videos called Under the Microscope, which io9 is posting in partnership with scientists at University of Cambridge. Under the Microscope is a gathering of videos that capture glimpses of the natural and artificial world in fabulous close-up. They will be released every Monday and Thursday for the next couple of months, and you can see the whole series here .
Source: io9