Beyond Sight, Inc. - Online Catalog Printer Friendly
The near viewing glasses are available in magnification levels 2.5x, 3x and 4x. * Be sure to .... 2.8x power monocular clips on any eyeglass frame. Focusable. ..... They are comprised of a positive objective lens and a negative ocular lens. ...... These spectacles act like powerful microscopes for up close viewing of a subject.
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beyondsight's website is beyondsight.com