• LEZT20

    Lens Stress Tester 2.0" Diameter

  • 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.

     

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Lens Stress Tester 2.0" Diameter

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