CHROMASHIFT ENHANCED DEFINITION GLARE REDUCTION As transmittance values become higher the ability for pigment to define color becomes more challenging. This amber brown medium light enhanced definition lens is our latest lens science where the labs of Zeiss have articulated crisp color reproduction in medium light. This is a professionals go to lens as this lens creates a sharp highly defined sight picture injecting lift across the complete color spectrum. Balanced and Defined is the hallmark of this lens design.