The rounded shape of the Abeno can be traced to the 1970s when the students of Boston universities wore a certain style of glasses, which were later on named as Boston frames. They are characterized by an inverted triangular design. They create a flattering visual balance and a less overwhelming look than many circular frames.
Our Natural Color Slate lens accurately reproduces the three primary colors, allowing you to see everything as it really is. This lens is solid all around, especially in strong-light situations.
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This lens has a silver vacuum deposition mirror coating applied. Compared to our standard multilayer coating, visible light transmittance is reduced by about 5%, providing a clear view in high-glare environments.