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Image: Meniscus lenses

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Description: Meniscus lenses have one concave surface (illustrated here on the right side) and one convex surface (illustrated here on the left side). The positive (converging) meniscus lens has a thicker center than edge, and represents the case where the convex surface (shown in green) has a smaller radius than the concave surface (shown in red). The meniscus lens on the bottom is a positive element. The negative (diverging) meniscus lens has a thicker edge than the center, and represents the case where the concave surface (shown in red) has a smaller radius than the convex surface (shown in green). The meniscus lens on the top is a negative element.
Author: Mliu92
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
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