depth of focus in Vietnamese
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Sentence patterns related to "depth of focus"
1. The beamsplitter directs light reflected from the wafer surface (24) back into an interferometer camera to provide depth of focus and aberration information to a computer (16) which activates and selectively deforms the deformable mirror (6).
2. An afocal optical relay having an optical axis substantially parallel to the optical axes of the lenses is also included, the array of lenses being positioned relative to the afocal optical relay so as to form an optical system that produces an image of each collimated output beam on an image plane, each image having a prescribed depth of focus and spot size.