AVX System User Guide
DXF
See Drawing Exchange Format.
Drawing Exchange Format (DXF)
A computer aided design (CAD) data file format developed by Autodesk, Inc. and now also used by other companies for the export and import of CAD data.
focus
The condition that provides the sharpest image. Achieved by optimizing the distance between the object and imaging optics.
field of view (FOV)
The region of the metrology stage being viewed by the camera and displayed on the video monitor.
FOV
See field of view.
FOV measurement
A video measurement performed in a single field of view without moving the stage or camera.
illumination, back
Lighting applied from the back of the object to create a silhouette when the object is viewed by the camera.
illumination, front
Lighting applied to the object from the same side as the camera so that surface features can be viewed on the video monitor.
LED
See light emitting diode.
light emitting diode (LED)
A semiconductor diode that emits light when a voltage is applied to it and that is used especially in electronic devices (as for an indicator light).
linear standard scale
In metrology, precision glass scales used for checking magnification accuracy of comparators.
magnification
The apparent enlargement of an object by an optical instrument. Abbreviated mag.
magnification checker
A tool to assist machine vision users in qualifying the pixel size of any camera type.
magnification, image
Magnification on monitor. Image size on the video monitor divided by the corresponding object size. Same as lens magnification in a properly adjusted optical comparator.
58
1000 0074 Revision A
Made with FlippingBook - professional solution for displaying marketing and sales documents online