Levenhuk C800 NG Digital Camera, USB 2.0 User Manual
Page 136
Help Manual
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middle of the microscope field and try to find the ruler clearly. Set the
Unit
to
Pixel
and the video
Resolution
to the maximum one (640X480 0.35M camera) and
Zoom
ratio to 100% (see
);
5. Choosing
Options>Calibrate•••
or clicking “
” on the toolbar, a red line with
pixels number and 0.000um length is overlaid on the video. At the same time, a
dialog called
Calibrate
will be displayed over the
Video
window;
6. Try to align the two ends of the red line with the video ruler scale (Try to pull the
red line as long as possible to keep the calibration accuracy);
7. Enter or select the current microscope objective lens
Magnification
in the
Magnification
field. The current
Magnification
is 10X;
8. Read the overlaid (by the red line) micro-ruler actual length and fill it in the
Actual
Length
field, the current
Actual Length
is 450um. This
Actual Length
will also be
displayed in the middle of the red line just behind the pixel number. At the same time,