converging lens

音標發(fā)音

It's an easy matter to observe chromatic aberrations , with a thick, simple converging lens.
用一厚的簡單會聚透鏡很容易觀察色差。
There are two methods of converging calibration light, one is using convergent lens, the others self-focus lens.
根據聚光結構的不同，定標光源使用聚光鏡和自聚焦鏡兩種方案；
At least one aspherical lens is arranged between the spherical lens and the printing form, for focusing or converging the laser light onto a desired spot.
至少有一個非球面透鏡位于球面透鏡和印刷版面之間，用于將激光聚焦或會聚到一個所需點上。

Instead of converging to a point on a focal plane behind the lens, the rays spread out so as to run in a thick stream roughly parallel to each other (see chart).
ECONOMIST: MONITOR

a lens (= a curved piece of glass) that bends light so that it can produce an image