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Ocular Calibration Sheet
Date:
Microscope (type and #):
Ocular type:
Magnification:
Operator:
Front lens:
Stage micrometer
Measurement Position 1
Position 2 Length
1
div.
div.
mm
2
div.
div.
mm
3
div.
div.
mm
Mean
mm
Reticular scale
Position 1
Position 2
div.
div.
div.
div.
div.
div.
Length
div.
div.
div.
div.
Calculations
1) Calculate the length between the two positions on the stage micrometer by subtracting the value of position 1 from the value of position 2. Dualply the length in
divisions with the length of each division to get the length in mm.
2) Calculate the length between the two positions on the reticule scale by subtracting
the value of position 1 from the value of position 2.
3) Calculate the mean length value of both the stage micrometer and the reticular
scale.
4) Calculate the conversion factor:
δ=
62
Mean Stage Micrometer Length (mm)
Mean Reticule Scale (div)
Auto dual wire myograph system
Model 510A