EVA 3 Plus: Device User Manual
3.4 Focus
There are two ways to adjust the colposcope focus.
The first is to adjust the distance between the colposcope and the patient.
Once you have achieved adequate focus, as you zoom in and out digitally you
can use the fine focus wheel at the tip of the lens to re-adjust your focus.
The recommended default setting for the fine focus wheel is to be fully
extended. If working at a distance which normally yields the clearest images
doesn’t work, you can try adjusting the fine focus wheel so that the lens
moves in and out until the correct focus is found.
(figure 14)
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