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Operation Manual
NIGHT VISION BINOCULARS/GOGGLES
NV66 – G2
105 Sparks Ave., Toronto, ON, M2H 2S5, Canada
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IMPORTANT INFORMATION Read prior to activation. You have purchased a sophisticated electronic device. To operate it properly, please read this manual carefully. Ignoring the operation procedures described in this manual will void your warranty. NEVER disassemble the unit. This device contains a source of high voltage, which may be hazardous to your health. NEVER open the objective lens of an active unit in bright light, including daylight. In the daytime the objective lens mus
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PRECAUTIONS NV66-G2 is a sophisticated precise optical instrument equipped with electronics. It should be handled with due care: Unit contains fragile components. Avoid impacts, dust, moisture and sharp changes of temperature. Do not touch the optical surfaces other than for cleaning. Doing so may damage the anti-reflection coating. Clean optical surfaces with professional lens cleaning supplies. Use only a soft clean cloth to clean the exterior of the device. Keep the dev
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TABLE OF CONTENTS 1. OVERVIEW................................................................3 2. DELIVERY SET.........................................................5 2.1 Standard delivery set................................5 2.2 Optional accessories ................................5 3. SPECIFICATIONS .....................................................6 3.1 Unit specifications ...................................6 3.2 Main tube parameters...............................7 3.3 Spatial fr
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6. TROUBLESHOOTING ............................................18 6.1 No green light through eyepieces...........18 6.2 Image is unclear.....................................18 6.3 Image flashes .........................................18 6.4 Condensation accumulates on the parts .18 6.5 Visibility decreased or disappeared .......19 7. WARRANTY............................................................20 8. CUSTOMER SUPPORT...........................................21 9. ACCEPTANCE CERTI
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1. OVERVIEW NV66-G2 (the unit) is optoelectronic goggles intended for observation of objects and orientation at night or under dark conditions. The unit is equipped with a generation 2+ intensifier tube, which amplifies low light, such as moonlight, starlight or man-made light. Add-on lens can be attached to the unit to increase magnification. Unit can be mounted on a helmet or headgear or used as night vision binoculars. Some typical activities where NV66-G2 can be useful: Wi
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Features Built-in infrared illuminator allows observation in total darkness (i.e. cave or dark room); Helmet mount (optional) allows combatant operations Flip/flop mechanism provides for unobstructed vision when the unit is mounted on headgear or helmet Waterproof design (1 meter deep immersion for 30 minutes) Soft rubber eyecup makes viewing comfortable Please read all the instructions carefully prior to using the unit. Manufacturer reserves the right to introduce minor
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2. DELIVERY SET 2.1 Standard delivery set QUANTITY NV66-G2 unit with 1x lens and headgear 1 Lens cap 1 Neck strap 1 Soft case 1 Manual 1 Warranty card 1 AA battery 2 2.2 Optional accessories 3x, 4x, 5x, 8x lenses Hard case Lens cleaning kit Helmet mount Exact Delivery Set is subject to the specific contract terms. 5
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3. SPECIFICATIONS 3.1 Unit specifications 18 mm Image Intensifier Tube (IIT) Gen. 2+ Apparent field of view 40º Eye relief 15 mm 1x Objective focal length / 27.5 mm / F1.2 F-number 4x, 5x, 8x Objective focal 100 / F1.5, 130 / F2.3, 216.4 / F2.0 length, mm / F number Interpupillary distance 57-73 mm Focus range (1x) 0.25 m - Dioptric correction ±5 Battery type 2 standard AA batteries Over 80 hours without IR; over 30 hours Battery life with IR Low battery indicator √ I
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3.2 Main tube parameters Image Intensifier Type EPM66G2 (Generation/Grade) Photocathode operating diameter 18 mm Photocathode type S-25 Photocathode sensitivity: Integral 450 A/ lm 26 mA/W Spectral at = 850 nm Light amplification >20,000 fl/fc Image magnification 1x Signal-to-noise ratio, min 18 Current consumption, max 18 mA Voltage 2.8 0.8 V MTBF, hours 10 000 Operating temperature range -50°C … +50°C 7
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3.3 Spatial frequency-contrast characteristic Frequency, lines/mm Contrast transfer coefficient 2.5 0.83 7.5 0.56 15.0 0.30 3.4 Field of view cleanness I ZONE II ZONE III ZONE Allowed spot 0 - 5, 6 5, 6 - 14,7 14,7 - 17, 5 diameter, m mm mm mm Over 250 0 0 0 150 to 250 0 0 1 100 to 150 0 2 2 50 to 100 1 3 3 0 to 50 Not specified 8
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4. UNIT DESIGN 3 2 1 4 9 8 7 5 6 Fig.1 NV66-G2 goggles Fig.2 Headgear 1 - On-Off, IR switch 6 - Objective lens cover 2 - Mounting socket 7 - Objective lens 3 - Eyepiece adjustment ring 8 - Tightening screw 4 - Eyepieces 9 - Lever 5 - Battery compartment cover 9
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5. OPERATION INSTRUCTIONS 5.1 Installing battery Unpack the device. Unit is supplied with battery not installed. Prior to installing the battery, make sure the switch (1, Fig.1) is in the OFF position and the lens cap is on. Unscrew the battery compartment cover (5, Fig.1), and install 2 fresh AA batteries. Observe the correct polarity indicated on the housing. Screw in the battery compartment cover back. 5.2 Switching the unit on In daylight put on the lens cap prior to
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Fig.3 Low battery indicator When the unit is ON user may see a circular indicator through the eyepiece (Fig. 3). It is hardly noticeable when not active. Flashing indicates low battery. For uninterrupted operation keep fresh batteries ready and replace them on time. Solid red dot indicates that the IR illuminator is on. In the daytime with lens cap on it is normal to observe a fuzzy image. Switching on the unit device in the daytime is intended for testing purposes onl
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5.4 Operating at night Take off the lens cover (6, Fig.1) from the lens (7, Fig.1). Turn on the device using switch (1, Fig.1). If lighting is insufficient, turn on the IR illuminator by turning switch (1, Fig.1). The red indicator (Fig. 3) will go on. IR illuminator is effective when observing an object located not far from the viewer. The IR illuminator is visible to anybody with a night vision device. You can raise the unit up for unobstructed vision without taking the headg
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5.6 Focusing To obtain sharp image at other distance adjust the lens focus (7, Fig.1) leaving eyepiece setting intact. You should be able to obtain a sharp image for distances from 0.2-10 m to infinity depending on lens magnification. 5.7 Using Unit with headgear Prior to using the unit with the headgear adjust all the straps to the head size. When wearing the unit the eye-relief (the distance between your eyes and the eyepieces) should be 15-22 mm. In order to achieve this, loos
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5.9 Installation of interchangeable lenses Do not apply an excessive force when changing the lenses. The following procedure is identical for 1x, 4x, 5x or 8x lenses. 1. Make sure the unit is off. 2. Remove the lens cap (6, Fig.1). 3. Detach the current lens: hold the lens by its base (1, Fig.1) and rotate it counter-clockwise. Once the lens has been removed, store it in a safe, clean space. 4. Screw in (clockwise) new lens. The threads are very fine (to prevent humidity pene
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Fig.4 NV66-G2 with 4x lens Fig.5 NV66-G2 with 8x lens 15
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5.10 Using optional helmet mount 4 1 2 3 Fig.6 NV66-G2 with 8x lens 1 - Locking screw 3 - Flip/Flop adjusting screws 2 - Flip/Flop button 4 - Mount binding screw The unit can be equipped with an optional helmet mount. This mount can be customized to fit a variety of existing helmet models. The mount is attached to a helmet with straps. 16
