FIELD: measurement equipment.
SUBSTANCE: method for contactless measurement of small objects sizes is realised with the help of device, comprising zoom, which is arranged in the form of single fixed, and also the first and second movable components. Considered object is placed in back focal plane of zoom. In back focal plane of zoom fixed component there are two calibrated frames arranged. Object image is subsequently matched with images of two frames, and position of movable component is fixed in process of this matching. Calculation of object size is carried out by two fixed positions of movable component, by size of frames and structural parametres of zoom.
EFFECT: provision of high accuracy of small objects linear dimensions measurement.
3 cl, 2 dwg
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