In UV the all-yellow we humans see, is not at all present. The size and shape of the dark centre can in many instances be a key component in identifying species that are very similar morphologically.

  • Aperture: ƒ/5.6
  • Camera: NIKON D7100
  • Focal length: 105mm
  • ISO: 1000
  • Shutter speed: 1/80 s

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