NVG Flashcards
Describe anvis
The equipment is a precision electro-optical instrument
Anvis is a passive light amplification system that intensifies light how much?
6000 times
The object lense is what class
Class b
Whats the best visiual acuity attainable with the anvis 9
Between 20/20 and 20/25
Will anvis correct for astigmatism
No
Do nvg’s magnify?
No 1:1
Anvis field of view
40°
Anvis break away capability
10-15g
What is monochromatic
Single color viewing, nvgs do not provide color discrimination
What batteries can you use
1.5v AA alkaline or lithium but do not mix. Do not use rechargeable
Whats the life of 2 alkaline batteries
50 to 55hr
What can you clean the goggles with
Lense paper or lense brush
Max counter weight amount
Do not exceed 22oz, weight above 5.5 is discouraged
Main monocular components
A. Objective lense
B. Image intensifier
C. Eyepiece lense
Image intensifier components
A. Photocathode B. Microchannel plate C. Phosphor screen D. Power supply E. Fiber optic inverter