Henry Schein COLPOSCOPE I User Manual page 10

Focusing
Rotate the zoom knobs to the highest power 4.5x (Fig. 15). Set the diopters on both eyepiece
tubes to "0" (Fig.16). Then use the focusing knobs to focus on the cervix.
Fig. 16
Fig. 15
Rotate the zoom knobs to get the lowest power 0.67x (Fig. 17). DO NOT TOUCH the focusing
knob on the focusing mount.
Fig. 17
Look through the right eyepiece; rotate the eyetube (Fig. 18) until the image is precisely in
focus (the diopter is now properly set). Do the same for the left eyepiece to set the diopter.
Fig. 18
Bring the zoom to the highest power (4.5X) again. If the image is not in sharp focus, use the
focusing knob on the focusing mount to bring the specimen in focus. The image should
remain sharp throughout the entire zoom range.
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