Do not take the cover off the lens unless necessary.
Keep away from heating appliances and central heating.
Do not apply excessive force to lens assembly, agile elements and thread connections.
Due to considerable optical magnification of the eyepiece some small structures inside the tube coating in the form of dark and/or white points may be seen in the field of view; this does not affect the capabilities of the device;
The device resolution may change from the center towards the perimeter of the field of view. This is an inherent feature of the image tube type utilized in the device.
Remove the battery during periods of
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