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The Lens Stress Tester is used to determine the condition of a lens so you can quickly decide if it needs to be replaced. If the lens is damaged by thermal stress, the shape of a cross appears in the lens when the polarized film is rotated.
$ 39.00
is back-ordered. We will ship it separately in 10 to 15 days.
$ 20.00
$ 12.00
$ 50.00
$ 5.00
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