cylindrical lens in a sentence

Examples

1. The total power of a cylindrical lens varies from zero in the " axis meridian " to its maximal value in the " power meridian ", 90?away . in the example above the axis meridian is located in the 20th meridian, and the power meridian is located in the 110th meridian.
2. That data-processor converted the information on the signal film by passing laser light thru each long signal, after which the form of the signal itself, aided by specialized following lenses, caused a focusing action similar to that of one of a range-distributed family of cylindrical lenses, while preserving the point separations representing ranges from the radar.