Lens and method for enhanced visual targeting of a sports archery target
A lens for eyewear, the lens having a transmittance in a spectral range at least between 400 and 780 nm. The spectral range includes a first and a second color range which are different from each other. The first and second color ranges are each at least 50 nm broad. A first medium transmittance in...
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Sprache: | eng |
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