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AMERICAN Scientific, LLC
Customer Service: 888-490-9002 |
Lenses > LENSES, CYLINDRICAL, GLASS 17 DTo focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges. Surfaces follow the sides of cylinder (s). Beveled edges. Power 17D (focal length -59mm)
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