Description
The AGM NVG-40 NL1 is a dual-channel night vision goggle built around two separate Gen 2+ green phosphor image intensifier tubes, one for each eye. That dual-tube setup is what separates it from cheaper single-tube bi-ocular units. You get real stereoscopic vision and natural depth perception, which makes a huge difference when you're walking uneven ground, judging distance, or working close-up in the dark. Pair that with a wide 40-degree field of view and you can take in the scene without constantly panning your head.
What the NVG-40 NL1 Brings to Low Light
The NL1 tube is a Level 1 green phosphor unit resolving in the 51 to 64 lp/mm range with a clean Zone 1, so the center of your image stays sharp where it counts. Manual gain control lets you dial brightness up or down as conditions shift, and the bright light cut-off protects the tubes if a light source suddenly kicks on. There's also a built-in infrared illuminator with a flood lens for close work like map reading, gear checks, or moving through a pitch-black interior where there's no ambient light to amplify.
Built to Ride on Your Head
Optics run at 1x magnification through a 27mm F/1.3 lens system with 25mm of eye relief and a focus range from 0.25 meters out to infinity. The composite housing keeps things compact and durable while holding weight down around 645 grams. It ships with a pre-installed NVG interface shoe plus a bayonet/horn shoe, so it drops onto standard dovetail or bayonet headset and helmet mounts, including PVS-7 and PVS-14 style setups.
Power That Keeps Up
One of the practical wins here is the battery setup. The NVG-40 NL1 runs on a single AA or CR123A, giving you up to 20 hours of runtime, and it stretches to roughly 80 hours with the optional battery pack. AA availability alone makes resupply in the field a non-issue. It's a solid dual-tube platform for night hunting, property patrol, and general nighttime navigation.
Key Specifications
- Manufacturer: AGM Global Vision
- Manufacturer Part Number: 14NV4122483011
- UPC: 810027773890
- Tube Type: Gen 2+ Green Phosphor, Level 1 (NL1)
- Configuration: Dual Tube / Dual Channel
- Resolution: 51-64 lp/mm
- Magnification: 1x
- Lens System: 27mm, F/1.3
- Field of View: 40 degrees
- Eye Relief: 25mm
- Focus Range: 0.25m to Infinity
- Diopter Adjustment: -6 to +2 dpt
- Battery Type: One CR123A (3V) or AA (1.5V)
- Battery Life: Up to 20 hours (up to 80 hrs with optional battery pack)
- Weight: 645 g (1.42 lbs)
- Color: Black
What’s Included
- NVG-40 NL1 Night Vision Goggle/Binocular
- NVG Interface Shoe (preinstalled)
- Bayonet/Horn Interface Shoe
- Demist Shield (2)
- Sacrificial Window
- Soft Carrying Case
- Lens Tissue
- Battery Adapter
- User Manual
- Packing Box
Frequently Asked Questions
What makes the NVG-40 NL1 different from a single-tube night vision unit?
The NVG-40 NL1 uses two separate image intensifier tubes, one dedicated to each eye. This gives you true stereoscopic vision and genuine depth perception, which single-tube bi-ocular units can't match. That depth cue is a big help when you're moving over uneven terrain or judging distances in the dark.
Can I mount the NVG-40 NL1 to a helmet for hands-free use?
Yes. It comes with a pre-installed NVG interface shoe plus a bayonet/horn interface shoe, so it fits standard dovetail and bayonet type headset and helmet mounts. It's compatible with common mounts used on PVS-7, PVS-14, PVS-15, and PVS-18 style setups.
How long does the battery last on the NVG-40 NL1?
It runs up to 20 hours on a single AA or CR123A battery at normal temperatures. If you add the optional external battery pack, runtime jumps to around 80 hours. The AA option is handy since those batteries are easy to find anywhere.
What is the difference between the green phosphor NL1 and the white phosphor version?
The NL1 uses a classic green phosphor tube, which is the traditional night vision look many users are comfortable with. AGM also offers a white phosphor NW1 version if you prefer the black-and-white image some find easier on the eyes. Both are Gen 2+ Level 1 tubes with the same body and features, so the choice comes down to phosphor preference.





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