Product Review
Lens diameter: 21mm, 21mm and 17mm. Lenses can be used singly and in various combinations to achieve several different powers up to 20X magnification. Protective case also serves as handle.
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Lens diameter: 21mm, 21mm and 17mm. Lenses can be used singly and in various combinations to achieve several different powers up to 20X magnification. Protective case also serves as handle.
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