NoIR filters can help people minimize eye discomfort and maximize visual resolution. Filter shade number 58 - light yellow - provides 100% ultraviolet protection. It allows in 88% of visible light and heightens contrasts, provides maximum brightness, and enhances visual acuity. It also features blue blocker protection.
This clip-on style lens can be attached to an existing pair of glasses and flipped up when not in use. Lens measures 132mm x 52mm (5.20" x 2.05").
* Formerly FU-458