Never – Luna Optics LN-NVB5 User Manual
Page 4
a) please check if the battery is inserted according to the marking
inside the compartment cover
b) please make sure the battery is fresh
2. The green light indicator is working, but you cannot see the image:
a) you may be turning the unit on in a dark area with the lens cover
still on the unit
b) You may need to turn on the infrared light
3. Unable to obtain sharp and clear image:
a) You may need to repeat the process of rotating each ocular and
each objective lens several times until you get a good feel of it.
b) You may be viewing an object that it too close – the minimum
focusing distance is approximately 1.5m or 4.5 feet
4. The unit is turned off, but the green glow is still on:
THIS IS NORMAL – THE GREEN GLOW WILL FADE OUT WITHIN
FEW MINUTES
5.
There are black dots (specs) in the field of view:
THIS IS NORMAL – BLACK DOTS ARE
MICROSCOPIC PARTICLES INSIDE THE TUBE
AND RESULT FROM THE TUBE
MANUFACTURING PROCESS, WHICH IS NEVER
COMPLETELY SPEC-FREE
IMPORTANT INFORMATION -
NEVER
:
1. Turn on the unit without lens covers during daylight or in a well-lit area
2. Try to disassemble the unit by yourself or by anyone who is not our
authorized technician. Doing so may result in injury and will void any
warranty claims
3. Leave the battery inside the unit for a long period of time – the battery
may overheat and leak, which will render the unit inoperable and will
void the warranty
4. Submerse the unit into water or operate the unit during heavy rain
downpours
TECHNICAL SPECIFICATIONS:
LN-NVB2
LN-NVB3 LN-NVB5
Technology:
Generation-1 Hi-Resolution Grade-A
Magnification x Objective Lens:
2X24
3x42 5x50
Field Of View:
30° 20°
15°
Focusing distance:
1.5m (4.9ft) - ∞
Viewing distance:
200m (648ft) 250m (810ft) 300M (972ft)
Dimensions, mm (in) 180x120x64 202x120x64 228x120x64
(7.1x4.7x2.5) (8x4.7x2.5) (9x4.7x2.5)
Weight:
680g (1.5 lb) 816g (1.8 lb) 907g (2 lb)
Power:
1 x 3V Lithium (CR123 type)
Operating time:
60 hrs (w/o IR) 10hrs with IR
Warranty:
1yr
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LUNA OPTICS, INC. 54 Columbus Ave., Staten Island, NY 10304
Tel: +1-718-556-5862; Fax: +1-718-556-5869;
© 2014