RM
Fly eye, SEM
Fly eye, coloured scanning electron micrograph (SEM). Flies have eyes made up of hundreds of individual ommatidia (rounded), each of which detects light from a different region. This gives the fly poor image resolution but excellent motion detection. Short hairs called interommatidial bristles protrude from between the ommatidia. Magnification: x1200 when printed 10cm wide.
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