Base Optics 400m Day / Night Vision Viewer
If you want a simple, budget-friendly night vision viewer that actually lets you see out to around 400 metres, this Base Optics unit does the job without overcomplicating things. It’s got a built-in IR illuminator, a clear LCD screen, and enough zoom to spot wildlife or check ground at night with ease. Perfect for pest control, nature watching, or just seeing what’s moving around after dark.
-Nathan (Technical Advisor)
The Base Optics 400m Day / Night Vision Viewer is a fantastic affordable Night Vision unit.
Featuring a high definition CMOS sensor that provides the user with a viewing distance of 400m thanks to its 4x optical magnification and 2x digital zoom.
The Base Optics viewers come with a 640×480 resolution sensor which is paired with an on board 850nm IR to help provide a clear image at night.
| Catalog | Function Description |
| Optical performance | Magnification power 4~8 X31 (MAX 8x) |
| Digital Zoom 2 steps magnification, Max 2x | |
| Angle Of View 8.5° | |
| Objective Aperture 31mm | |
| Exit Pupil Distance 40mm | |
| F# for Objective lens 1.2 | |
| 3m~∞ in daytime; Viewing in the darkness up to 400M (monochrome) | |
| Eyepiece magnification 2x | |
| Video Output | 320×240 resolution TFT LCD |
| OSD menu display | |
| CVBS always output with VGA resolution | |
| Imager | Wide Dynamic Range High-sensitivity CMOS Sensor |
| Size 1/3” | |
| Resolution 640X480 | |
| IR LED | 3W Infared LED with 850nm |
| Micro SD Card | Support SDHC 4GB~32GB SD Card |
| Hardware Buttons | Power on/off |
| Snap | |
| Mode selection | |
| Zoom | |
| IR switch | |
| Operation | Preview |
| Record JPEG file in SD storage | |
| Capture JPEG file in SD storage | |
| Playback media file from SD storage | |
| Power | External power supply – DC 5V/1A |
| 8 pcs AA battery 4.5V-6V | |
| Battery life: 6 hours working time with IR off | |
| Battery low warning | |
| System | 4 modes (Capture, Video, Playback) |
| Single frame Image Capture | |
| Video image Record | |
| Playback image | |
| Delete image | |
| 5 level IR switch | |
| SD card format | |
| Power save (Off/1 min/ 3min/50 min) | |
| Language: English /Trad. Chinese /Simp. Chinese /Japanese / French /Deutsch /Korean /Italian /Portuguese /Russian / Spanish / Arabic |
|
| System Rest | |
| Light Freq. 50/60HZ | |
| Date Input | |
| Version | |
| Size | size 210mmx145mmx65mm |
| Net weight 750g (without battery) | |
| package | USB cable /AV cable /TF card /Bag /Manual |
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Superb Night viewing up to 400m away
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Onboard 850nm IR Illuminator
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Easy viewing through the single LCD screen
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4x optical magnification
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2x digital zoom
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Large 320×240 viewing black & white screen
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Wide dynamic range high sensitivity CMOS sensor with 640×480 resolution
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Built-in photo & video recording
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Includes 8GB TF card – allows for onboard recording
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Specifically designed for nature observation, search & rescue, and pest control
Base Optics 400m Day / Night Vision Viewer, user manual. carry case, lens cloth.
1. What is the Base Optics 400m viewer used for?
It’s a digital day/night vision device used for spotting and observing objects in low light or complete darkness, typically for wildlife watching, security checks, or pest control.
2. How far can it actually see at night?
It’s rated for up to around 400 metres in night conditions, depending on lighting, weather, and how reflective the target is.
3. Does it work in total darkness?
Yes. It uses a built-in 850nm infrared (IR) illuminator, which lights up the scene so the sensor can “see” even when it’s pitch black.
4. Can it be used during the day as well?
Yes, it works in daylight too and automatically switches between day and night viewing modes.
5. What kind of image does it produce?
It displays a black-and-white image on a built-in LCD screen, giving you a clear digital view of what the sensor is picking up.
6. Does it have zoom?
Yes. It has 4x optical magnification plus up to 2x digital zoom, letting you get a closer look at distant subjects.
7. Can it record photos or video?
Yes, it includes built-in recording functions and usually comes with a memory card so you can save photos and video directly.
8. How is the image quality?
It uses a 640×480 CMOS sensor, which is solid for entry-level digital night vision but not comparable to high-end military-grade systems.
9. What powers it and how long does it last?
It runs on AA batteries or external power, typically giving around a few hours of continuous use depending on IR usage.
10. Is it good for professional use?
It’s more of a hobbyist / entry-level observation device. Great for casual night spotting and pest control, but not intended for tactical or high-end professional surveillance work.
2 Year Warranty
Tactical Scope Shipping Policy
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
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In-Store Items
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Need Help?
If you need assistance, call us at +44 (0)1803 611895 (Optics Warehouse) or email [email protected].
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