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Newcon Optik NVS 7-2/4x XT, Operation Manual

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Newcon Optik NVS 7-2/4x XT Operation Manual Download Page 11

8 

 

 

Spatial frequency-contrast characteristic 

Frequency, lines/mm 

Contrast transfer 

coefficient (XT) 

2.5 0.88 
7.5 0.72 

15.0 0.50 

 

Field of view cleanness  

 

SPOTS DIAMETER 

ZONE 1 

ZONE 2 

ZONE 3 

IN MICRONS 

Ø5.6MM

 

Ø5.6-Ø14.7MM

 

Ø14.7-Ø17.5MM

 

> 230 

0 

0 

0 

150 - 230 

0 

1 

1 

75 - 150 

0 

1 

2 

 
 
 
 
 
 
 
 

Summary of Contents for NVS 7-2/4x XT

Page 1: ...Operation Manual NIGHT VISION BINOCULARS NVS 7 4x NVS 7 5x NVS 7 8x NSN 5855 20 000 8284 105 Sparks Ave Toronto ON M2H 2S5 Canada...

Page 2: ...NEVER open the objective lens of an active unit in bright light including daylight In the daytime the objective lens must be covered by cap A tiny hole in the cap provides enough light for daytime tes...

Page 3: ...ional lens cleaning supplies Use only a soft clean cloth to clean the exterior of the device Keep the device away from sources of heat such as heating appliances sunlight or central heating Switch off...

Page 4: ...parameters 7 Spatial frequency contrast characteristic 8 Field of view cleanness 8 4 UNIT DESIGN 9 5 OPERATION INSTRUCTIONS 12 Installing battery 12 Switching the unit on 12 Switching the unit off 13...

Page 5: ...16 No green light through eyepieces 16 Image is unclear 16 Image flashes 16 Condensation accumulates on the parts 16 Visibility decreased or disappeared 16 7 WARRANTY 17 8 CUSTOMER SUPPORT 18 9 ACCEPT...

Page 6: ...ube which amplifies low light such as moonlight starlight or man made light Add on lens can be attached to the unit to increase magnification Some typical activities where NVS 7 can be useful Law enfo...

Page 7: ...4 Please read all the instructions carefully prior to using the unit Manufacturer reserves the right to introduce minor design changes without notice...

Page 8: ...Y Binocular configuration NVS 7 unit with 4x 5x or 8x lens 1 Lens cap 1 Neck strap 1 Soft case 1 Manual 1 Warranty card 1 AA battery 2 Lens cleaning kit 1 Optional accessories Hard case Exact delivery...

Page 9: ...illary distance 57 73 mm Focus range 4x 5x 8x 10 m 10 m 20 m Dioptric correction 5 Battery type 2 standard AA batteries Battery life Over 80 hours without IR over 30 hours with IR Low battery indicato...

Page 10: ...ode operating diameter mm 17 5 Photocathode type S 25 GaAs Photocathode sensitivity min Integral 600 A lm 1 600 A lm Spectral at 850 nm 45 mA W 180 mA W Light amplification 35 000 fl fc Image magnific...

Page 11: ...haracteristic Frequency lines mm Contrast transfer coefficient XT 2 5 0 88 7 5 0 72 15 0 0 50 Field of view cleanness SPOTS DIAMETER ZONE 1 ZONE 2 ZONE 3 IN MICRONS 5 6MM 5 6 14 7MM 14 7 17 5MM 230 0...

Page 12: ...9 4 UNIT DESIGN NVS7 4x 1 On Off IR switch 2 Lens focus adjustment ring 3 Eyepiece focus adjustment rings 4 Eyepieces 5 Battery compartment cover 6 Objective lens 2 3 4 5 6 1...

Page 13: ...10 NVS7 5x 1 On Off IR switch 2 Lens focus adjustment ring 3 Eyepiece focus adjustment ring 4 Eyepieces 5 Battery compartment cover 6 Objective lens 1 2 3 4 5 6...

Page 14: ...2 NVS7 8x 1 On Off IR switch 2 Lens focus adjustment ring 3 Eyepiece Focus adjustment rings 4 Eyepieces 5 Battery compartment cover 6 Objective lens 7 Objective lens cover 8 Tripod mount 1 6 7 5 3 4...

Page 15: ...ndicated on the housing Screw in the battery compartment cover back Switching the unit on In daylight put on the lens cap prior to switching the unit on To check if the unit is operational switch it O...

Page 16: ...f the device in case of electrolyte leakage Operating at night Take off the lens cover from the lens 6 Turn on the device using switch If lighting is insufficient turn on the IR illuminator 1 by turni...

Page 17: ...nal adjustment and should be comfortable for 99 of adults Installation of interchangeable lenses Do not apply an excessive force when changing the lenses 1 Make sure the unit is off 1 2 Remove the len...

Page 18: ...15 Warning Forcing installation of the lens may damage the thread and cause costly repairs to both the binoculars and the lens that are not covered by warranty...

Page 19: ...if exposed to bright light even with the lens cap on Condensation accumulates on the parts When the unit is brought from the cold into a warm environment internal condensation may appear The unit has...

Page 20: ...Dealer Newcon will repair or at its option replace with the same or comparable model the product or part thereof which on inspection by Newcon is found to be defective in materials or workmanship Wha...

Page 21: ...ern Standard Time Under no circumstances should the equipment be sent to Newcon without authorisation from our technical support department Newcon accepts no responsibility for unauthorized returns To...

Page 22: ...ber _____________________ Minimum Measured Resolution lp mm 57 Photocathode sensitivity integral A lm 600 Gen 2 1600 Gen 3 Light amplification 35000 Date of production ________________________________...

Page 23: ...5x XT NVS 7 3 8x XT Unit serial number _________________________________ The unit complies with all technical specifications and has passed the inspection Date of production __________________________...

Page 24: ...NEWCON OPTIK Printed in Canada R1 4 11...

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