Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

 
  • 具端着丝粒的镜头(注:我猜是类似于针孔镜头吧)具有宽阔之景深,以具端着丝粒的镜头,你能够将由镜头不同距离之目标物成像和保持目标物在焦。
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