3
Do not touch the optical surfaces with fingers. Doing so
may damage the anti-reflection coating.
Clean optical surfaces only with professional camera
lens cleaning supplies.
Clean the exterior of the device with a soft clean cloth.
Do not take the cover off the lens if not necessary.
Keep away from heating appliances and central heating.
Do not apply excessive power 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.
Features
One stage image intensifier tube with multi alkaline
photocathode provides image intensifier tube gain of no
less than 500 times and thus ensures observation at ¼
moon and better light conditions.
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