Nitehog Viper 35 Gen 2

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Nitehog Viper 35 Gen 2 Hunter/TAC – Thermal Imaging Clip-On for Precision at Night

If you recognise too late in the dark, you’ve lost the moment.
The Nitehog Viper 35 Gen 2 Hunter/TAC is not an entry-level device. It’s a compact high-end thermal imaging clip-on for users who need range, image quality, and point-of-impact stability.

The key advantage: You use it as a clip-on in front of your existing optic – without having to re-zero your system every time.

Why exactly this thermal imaging device?
✔ 640×512 VOx sensor for detailed thermal images
✔ <15 mK NETD for strong contrast in difficult conditions
✔ Detection range up to 1750 m
✔ 0.96 MOA precision for repeatable point-of-impact
✔ Recoil resistant up to 7000 J
✔ Clip-on system without re-zeroing

Why the Nitehog Viper 35 Gen 2?
With a thermal imaging clip-on, it’s not just about whether you see something. What matters is how fast, clear, and repeatable you see it.

You don’t have to re-zero your firearm
You keep your familiar daytime optic
You detect game and heat sources even in poor visibility
You work faster, calmer, and more precisely
You get high-end performance in a compact design

The difference to simple thermal devices:
❌ Entry-level devices: less detail, shorter range, weaker sensitivity
✔ Viper 35 Gen 2: 640 sensor, <15 mK NETD, 1750 m range, and stable clip-on precision
That’s the difference between “seeing” and cleanly engaging.

Practical added value:
The biggest advantage is not just the range – but the repeatability.
You mount the device in front of your existing optic and don’t have to adjust your entire system every time. Especially with expensive hunting or tactical optics, this is a massive advantage.

Key features

High-end thermal imaging clip-on for hunting, tactical, and outdoor
640×512 VOx sensor with 12 µm pixel pitch
Very high thermal sensitivity: NETD <15 mK
35 mm F1.1 lens for strong image performance
Detection range up to 1750 m
0.39" OLED display with 1024×768 resolution
Precision: 0.96 MOA
Recoil resistant up to 7000 J
Recoil-activated recording
Live streaming, photo and video function
NITEVISION app for iOS and Android
QR mount / flip-to-side adapter possible
Compact weight: approx. 330 g without battery

Our assessment
The Nitehog Viper 35 Gen 2 Hunter/TAC clearly belongs to the premium class. The sensor, sensitivity, and range are well above the level of many simple thermal solutions.

What makes the device particularly strong is the combination of clip-on function, precise point-of-impact, and modern image processing. You don’t just get technology – you get a system that saves time and reduces errors in real use.

Especially at night, in fog, rain, or changing conditions, this combination is crucial: faster detection, cleaner engagement, more controlled action.

Who it’s for


Hunters: for stand hunting, stalking, and safe engagement in darkness

Authorities & Tactical: for observation, training, and operational scenarios with
eingeschränkter Sicht

Outdoor & Observation: for thermal imaging observation over longer distances

Premium users: when entry-level technology is not enough

Why exactly for you?
If you’re looking for a thermal imaging clip-on that not only delivers an image but precisely enhances your existing optic, the Viper 35 Gen 2 is the right choice.

You’ll also find suitable gear in our Outdoor & Emergency Preparedness category.

Important note:
The use of thermal imaging clip-ons may be regulated depending on country, state, type of use, and hunting law situation.
Check the applicable legal requirements before use. This text does not constitute legal advice.

Clip-On advantage – no re-zeroing
The biggest practical advantage is the clip-on design. The device is mounted in front of your existing optic without having to re-zero your proven setup every time.

Your familiar daytime optic remains intact
Quick switch between day and night operation
Fewer sources of error during mounting
High repeatability of point of impact
Ideal for users already using high-quality aiming optics

Practical tip:
Especially with high-end optics, you don’t want to change your entire system every time.
A good clip-on saves time, preserves your setup, and gets you ready faster.

Image performance – why 640×512 and <15 mK matter
The 640×512 sensor provides a much finer image than simple sensor solutions. The sensitivity of <15 mK helps make even small temperature differences visible.

More detail on game, terrain, and heat sources
Better visibility in fog, rain, and cold
Smoother image under difficult conditions
Stronger separation between target and background

Use cases – where the device shows its strengths


Stand hunting: early detection of game and movement in the field

Stalking: compact design and low weight for mobile use

Tactical training: fast target acquisition and hot target tracking

Observation: thermal imaging observation at longer distances

Poor visibility: clear image in darkness, fog, or rain

Features & construction

Compact low-profile clip-on design
Robust housing for tough use
Recoil resistant up to 7000 J
QR mount or flip-to-side adapter possible
1x 18650 Li-Ion battery
App connection for media, streaming, and ease of use

Technical data

Model: Nitehog Viper 35 Gen 2 Hunter/TAC
Sensor: Uncooled VOx Microbolometer
Resolution: 640×512 px
Pixel pitch: 12 µm
NETD: <15 mK
Lens: 35 mm F1.1
Field of view: 17.6 m at 100 m
Display: 0.39" OLED
Display resolution: 1024×768 px
Detection range: up to 1750 m
Accuracy: 0.96 MOA
Recoil resistance: up to 7000 J
Battery type: 1x 18650 Li-Ion
Battery life: at least 5 hours
Weight: approx. 330 g without battery
Mounting: QR mount / FTS adapter possible
Media: photo, video, live streaming
App: NITEVISION for iOS and Android

Scope of delivery

1x Nitehog Viper 35 Gen 2 thermal imaging clip-on
1x focus ring
1x 18650 battery
1x carrying case
1x cleaning cloth
1x warranty card

FAQ

Do I have to re-zero the rifle with the Viper 35 Gen 2?
The big advantage of the clip-on system is that your existing daytime optic continues to be used and no re-zeroing is required with each mounting. However, checking the point of impact is always advisable.

What does the 640×512 sensor bring in practice?
It delivers more detail and a finer image than smaller sensors. This is especially helpful for identifying game, at longer distances, and in difficult weather conditions.

Why is <15 mK NETD important?
The lower the NETD value, the better the device detects fine temperature differences. This results in more contrast and a clearer thermal image.

Is the device suitable for high calibers?
The G
The device is designed by the manufacturer to withstand recoil up to 7000 J. This makes it interesting for demanding setups.

Can I record videos?
Yes. The device supports photo, video, live streaming, and recoil-activated recording.

Who is the device suitable for?
For users who want more than simple thermal imaging: hunters, tactical users, and observers who need range, precision, and a strong image in a compact clip-on system.

Especially in the field of thermal imaging attachments, clip-on thermal imaging, and mobile target acquisition, the combination of range, sensitivity, repeatability, and easy mounting determines real operational capability.