eyepiece lens

基本解释

The viewfinder eyepiece has a built-in –1 correction lens (suitable for normal vision).
取景器的目镜是一片-1的矫正镜片（适合大多数普通视力）。
With a 3x barlow & guiding eyepiece, it is possible to track a lens at 300mm & weight up to 2kg.
以3倍巴洛和指导接目镜，可以跟踪镜头， 300毫米和重量可达2公斤。
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Then using another convex lens and a micrometer eyepiece the altered parallel rays is focused, and the imaging size of line pair of collimator imaged on the another convex lens is measured.
用一辅助凸透镜与一测微目镜进行平行光束的会聚，测出准直管玻罗板线对在辅助凸透镜焦平面上所成像的大小；