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Replacement or alternate lenses for the optivisors headband magnifiers. See Optivisors Headband Magnifiers for more details.
Choose your lens magnification from the pop up menu.
#2 - 1.5X - 20" focal length
#3 - 1.75X - 14" focal length
#4 - 2X - 10" focal length
#5 - 2.5X - 8" focal length
#7 - 2.75X - 6" focal length
#10 - 3.5X - 4" focal length
Online exclusive.
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