Stingy Specs  
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What type of lens do I need?
CR-39 Plastic Lenses
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Mid Index, High Index, Aspheric, and PhotochromaticLenses
Mid Index, High Index, Aspheric, and PhotochromaticLenses
Mid Index, High Index, Aspheric, and PhotochromaticLenses
Mid Index, High Index, Aspheric, and PhotochromaticLenses
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