Firefly DE570/571 User Manual Version: 2.2
Using Focus:
Based on the relative distance of the observed object, the focus wheel can be turned for a clear image.
When a higher magnification is required, the focus wheel can be turned to the left (see below). If a
larger field of view is required, the otoscope can be moved farther away and the wheel turned to the
right.
Obtaining a clear image:
To obtain a clear image, please grip the Firefly Otoscope; remain still and avoid vibration as much
as possible during observation.
Free focus:
Rotate wheel to fine
tune the image
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