How do lenses help butterflies?

The lenses help the butterflies see approximately 314 degrees, also 1cm to 200 meters away. Each butterfly lens sees objects at a slightly different angle than the next lens.

Double major in Engineering and Geology at the University of Minnesota. Experienced shooter & hunter for over 15 years. Certified NRA officer for over 10 years working as a writer at Ballachy.com .

Double major in Engineering and Geology at the University of Minnesota. Experienced shooter & hunter for over 15 years. Certified NRA officer for over 10 years working as a writer at Ballachy.com .

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