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        • Fresnel Press-on Prism, 20D
          Fresnel Press-on Prism, 20D
        Item Number:9252

        These prisms attach very easily to eye glasses.

        Other benefits are:

        • Clearer image
        • Superior optical qualities, no yellowing
        • Thinner prisms at higher diopter values
        • Base and diopter strength clearly marked
        • Size: 75 x 75 mm square, fully usable
        • Comes in protective plastic container
        • Lower pricing
        • Manufactured by a German Optics Company

         

         

         

         

         

         
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