Product Description
br>NoIR filters can help people minimize eye discomfort and maximize visual resolution. Filter shade number 20 - medium amber - provides infrared protection in addition to 100% ultraviolet protection. It allows in 63% of visible light and relieves indoor glare and is helpful under fluorescent lighting.
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-420
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Frame Flip-Up
