Products  >  Night Vision

ANV-20/20 Focus System

MVD INFINITY FOCUS SYSTEM

The ANV-20/20 is a compact, portable system designed to provide the NVD user with an accurate means of performing infinity focus and mechanical alignment.

The system presents a resolution pattern at correct infinity focus to both NVD channels at once. This allows proper adjustment of all goggle parameters to be done quickly. The resolution pattern is directly correlated to the Snellen Eye Chart, providing a visual acuity range of 20/70 to 20/20.

The ANV-20/20 also incorporates an eight step gray scale for evaluating the dynamic range of an NVD. Each step doubles in density as you progress from 1 (clear) to 8 (opaque). This scale covers a range of 2 1/2 decades and checks the ability of the NVD to perform under a variety of light levels.


Product Specifications
OPERATION: Field Portable
POWER REQUIREMENTS: Four D size Alkaline Batteries
WEIGHT: 26lbs. (w/batteries)
Light Source: LED , Continuously Monitored
Focal Setting: Infinity (Standard)
Reticle Resolution: 0.49 to 1.72 Line Pairs per milliradian
Reticle Luminance: Approx. 1/4 Moon-Normal, Starlight-Low
   
   
Accessories
AMV-20/20-003 Wall Mount for ANV-20/20
Hoffman’s Wall Mount allows the user to hang the ANV-20/20 system on a wall or door. The wall mount allows the user to test goggle standing upright, in proper position (important for accurate adjustment). The wall mount is easily adjustable to accommodate different user heights.
   
ANV-126-085 Calibration System
Calibration system for ANV-126A-001, 126, and 20/20 devices.
An ISO-9001:2000/AS9100
Rev. B Registered Company