![What do these designations mean on a lens? - Community Laser Talk [UNOFFICIAL] - LightBurn Software Forum What do these designations mean on a lens? - Community Laser Talk [UNOFFICIAL] - LightBurn Software Forum](https://forum.lightburnsoftware.com/uploads/default/original/2X/d/da12406727b901b992986b41bacfa5cf4eacfb2a.png)
What do these designations mean on a lens? - Community Laser Talk [UNOFFICIAL] - LightBurn Software Forum
![A meniscus lens is to be made of plastic with n = 1.80. The concave surface is to have a radius of curvature of 13.0 cm. Find the radius of curvature of A meniscus lens is to be made of plastic with n = 1.80. The concave surface is to have a radius of curvature of 13.0 cm. Find the radius of curvature of](https://homework.study.com/cimages/multimages/16/untitled2840980473915381768.png)
A meniscus lens is to be made of plastic with n = 1.80. The concave surface is to have a radius of curvature of 13.0 cm. Find the radius of curvature of
![Positive and Negative meniscus lenses operating in either homeotropic... | Download Scientific Diagram Positive and Negative meniscus lenses operating in either homeotropic... | Download Scientific Diagram](https://www.researchgate.net/publication/320392025/figure/fig7/AS:668724013064199@1536447637411/Positive-and-Negative-meniscus-lenses-operating-in-either-homeotropic-or-planar-aligned.png)