Cylinder lenses are a type of lens that have differing radii in the X and Y axes, causing the lens to have a cylindrical or semi-cylindrical shape, and image magnification in only a single axis. Cylinder lenses are commonly used as laser line generators, or to adjust image height size or correct for astigmatism in imaging systems.
Used to 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. Also known as square lens or ray box lens.
Focal Length = 14 cm
D = 7 (Power*)
* More curvature or less focal length results higher power or higher D
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No cracks, no chips, no scratches. Nice beveled edges.