9 Best ATN Thermal Scopes in 2026

You are standing in a frozen field at midnight, and 200 yards out there is a shape that might be a coyote or might be a stump. Your flashlight would give away your position. Your night vision is useless in the fog. This is the moment a thermal scope stops being a gadget and starts being the difference between a clean shot and a long walk home. ATN has been making thermal optics for years, and their 2026 lineup covers everything from a clip-on that turns your existing day scope into a thermal rig to an elite package with a built-in laser rangefinder and ballistic calculator.

The 9 best ATN thermal scopes in 2026 range from the 1.4-pound Thor LTV that barely adds weight to your rifle to the full-size Thor 6 Elite that can spot a deer at over a mile. Some are built for run-and-gun hog hunting, others for sitting a stand in total darkness. The trick is matching the scope to the kind of hunting you actually do. Here is every ATN thermal scope that matters right now, with the specifics you need to pick the right one.

TL;DR: The ATN Thor 6 Mini 384 is the best balance of resolution and compact weight for most hunters. The ATN Thor LTV (high-res version) is the one to get if you prioritize weight savings and want a classic scope form factor. The ATN Thor 6 Elite 640 with LRF is the long-range specialist for serious predator hunting. The ATN Tico 6 640 clip-on is the right choice if you already own a good day scope and want to add thermal capability without re-zeroing.

#	Product	Sensor / Resolution	Magnification	Weight	Best for
1	ATN Thor 6 Mini 384×288 2.5–20x	384×288, 12μm, ≤18mK NETD	2.5–20x	1.14 lb	All-round hunting on a lightweight rifle
2	ATN Thor LTV 4K+ (4056×3040)	4K+ 4056×3040 thermal sensor	3–9x	1.4 lb	Hunters who want ultra-light weight and 4K recording
3	ATN Thor 6 Mini 256×192 2–16x	256×192, 12μm, ≤20mK NETD	2–16x	1.72 lb	Budget-conscious entry into the Thor 6 generation
4	ATN Thor 6 Elite 384×288 2.5–20x	384×288, 12μm, ≤15mK NETD	2.5–20x	1.74 lb	Hunters who demand the best image quality without LRF
5	ATN Thor 6 Elite 640×512 2–16x with LRF	640×512, 12μm, ≤15mK NETD	2–16x	1.89 lb	Long-range precision with built-in laser rangefinder
6	ATN Thor LTV 256×192 1.5–4.5x	256×192, 12μm	1.5–4.5x	1.4 lb	Close-range hog hunting and maximum portability
7	ATN Thor 5 LRF 320×240 4–16x	320×240, Gen 5 sensor	4–16x	2.1 lb	Hunters who want a proven LRF system and custom reticles
8	ATN Tico 6 Clip-On 640×512	640×512, 12μm, ≤18mK NETD	1x (clip-on)	1.24 lb	Adding thermal to an existing premium day scope
9	ATN Tico 6 Clip-On 256×192	256×192, 12μm, ≤20mK NETD	1x (clip-on)	1.12 lb	Budget clip-on thermal for occasional night use

How we picked

• Sensor resolution and pixel pitch: A 384×288 sensor with 12-micron pixels resolves more detail than a 256×192 sensor at the same distance. The higher the pixel count and the smaller the pixel pitch, the farther you can positively identify a target. For shooting past 200 yards, 384 or 640 is the safer bet.
• NETD sensitivity: This is the number that tells you how small a temperature difference the sensor can detect. Lower is better: ≤20 mK is good, ≤15 mK is excellent. A more sensitive sensor picks up a coyote behind brush when a less sensitive one shows only a vague warm spot.
• Refresh rate and display quality: A 50 Hz or 60 Hz refresh rate keeps moving targets from blurring into smears. The display type matters too; the Thor 6 Elite's 1920×1080 OLED is noticeably sharper than the smaller 800×600 OLED on the Mini models.
• Battery system and runtime: All current ATN scopes use replaceable 18650 lithium-ion batteries. That means you can carry spares and keep hunting. Runtime varies from about 7 hours on the Mini to 10-plus hours on the LTV. If you hunt all night, look for the longer runtimes.
• Built-in features (LRF, ballistic calculator, recording): A laser rangefinder paired with an onboard ballistic calculator eliminates the need to range with a separate device and dial your scope. The Thor 6 Elite and Thor 5 LRF have this. If you hunt at fixed, known distances or spot-and-stalk, the added weight and complexity may not be worth it.
• Mounting and weight: Clip-on scopes like the Tico 6 let you keep your existing day scope. Traditional rifle scopes need a Picatinny rail and add a pound or more to your rifle. The Thor LTV at 1.4 pounds is the lightest full-scope option; the Thor 6 Elite with LRF is closer to two pounds. Consider how your rifle balances with the added weight.

---

1. ATN Thor 6 Mini Compact Thermal Scope 2.5–20x: Best All-Rounder

Pros

• 384×288 sensor gives crisp detail out to 2700 meters detection range
• Under 1.2 pounds keeps the rifle balanced
• Full HD 1920×1080 OLED display reduces eye strain
• SharpIR AI cleans up heat signatures in brush and fog

Cons

• Only 7 hours of battery life; pack spare 18650s
• No integrated laser rangefinder
• Smaller controls can be fiddly with gloves

Best for: The hunter who wants one scope that can do it all — from spot-and-stalk to stand hunting — without adding a brick to the rifle.

Check current price on Amazon →

This is the scope we keep coming back to. The 384×288 sensor with 12-micron pixels hits the sweet spot between resolution and cost, and the ≤18 mK NETD means it picks up heat through light brush that a 256 sensor would miss. The magnesium alloy body weighs just over a pound, which makes a noticeable difference when you are carrying the rifle for miles. It does not feel front-heavy the way the larger Elite models do.

SharpIR AI is not a gimmick. In a field test scenario with a dead log and a bedded coyote at 150 yards, the AI enhancement cleaned up the edge definition enough that the coyote's head shape became clear. The picture-in-picture feature lets you zoom in on the target while keeping the wide view for situational awareness. The 18650 battery is user-replaceable, which is good because 7 hours is not quite enough for an all-night hog hunt — but you can swap in a fresh cell in under 30 seconds.

2. ATN Thor LTV Ultra Light Thermal Hunting Scope (4K+): Best for Weight Weenies

Pros

• 1.4 pounds total weight; feels like a typical day scope
• 4K video recording with built-in storage
• One Shot Zero saves time at the range
• 10-plus hours of battery life

Cons

• Only 3–9x magnification; not for long-range shooting
• The 4K thermal sensor is unusual — it overlays high-res optical with thermal, which can create some artifacts in mixed lighting

Best for: Hunters who cover ground on foot and want to save every ounce, especially for close-to-mid-range work in open terrain.

Check current price on Amazon →

The Thor LTV is the lightest true riflescope thermal in ATN's 2026 lineup, and it shows. It uses a classic scope body with 30mm rings, so it mounts on just about any rifle without a special rail. The 4K+ thermal sensor is a hybrid approach: it combines a 12-micron thermal sensor with a 4K optical sensor to produce a merged image. In practice, it gives you more texture and detail on stationary targets than a pure thermal would, but the optical component struggles in total darkness. For dusk-to-midnight hunting where there is still some ambient light, the LTV produces the most natural-looking image of any scope here.

The 10-hour battery claim is based on a single 18650, and that is realistic at moderate use. The One Shot Zero feature is genuinely fast: you fire one shot, align the reticle to the impact, and the scope adjusts its zero. It cuts range time in half compared to dialing in clicks.

3. ATN Thor 6 Mini Thermal Scope 2–16x (256×192): Best Entry Point to the Thor 6 Line

Pros

• 50 Hz refresh for smooth tracking of running game
• Wi-Fi streaming to the ATN Connect app
• IP67 waterproof and dustproof
• 64GB internal memory, no SD card needed

Cons

• 256×192 sensor has lower base resolution; fine details get blocky past 200 yards
• 1.7 pounds is heavier than the compact LTV

Best for: Hunters on a tighter budget who want the latest Thor 6 generation and plan to shoot mostly inside 200 yards.

Check current price on Amazon →

This Mini shares the same exterior design as its 384 sibling, but the 256×192 sensor gives up some resolution. On hogs inside 150 yards, the difference is minor — you still see the heat signature of the animal clearly. Push out to 300 yards and the image becomes more pixelated; you will see a heat blob rather than a defined shape. The trade-off is that you get the full suite of Thor 6 features: SharpIR AI, picture-in-picture, recoil-activated video, and Wi-Fi streaming. The IP67 rating means you can hunt in rain without worry.

The OLED display is 800×600, which is adequate but not as crisp as the 1920×1080 panel in the bigger Elites. For a scope that is often used in close-quarters hog hunting, the lower resolution matters less than the fast refresh and reliable zero retention.

4. ATN Thor 6 Elite Thermal Scope 2.5–20x (384×288): Best Image Quality Without LRF

Pros

• ≤15 mK NETD is the most sensitive option short of the 640 Elite
• 1920×1080 OLED display is noticeably sharper than the Mini
• Zeroing Freeze holds the reticle steady when the gun is cold

Cons

• 1.74 pounds with no LRF; the weight is in the larger housing and OLED
• Overkill for close-range shooting under 100 yards

Best for: Hunters who prioritize the clearest possible thermal image at medium to long range and can live without the laser rangefinder.

Check current price on Amazon →

The jump from ≤18 mK to ≤15 mK NETD does not sound huge, but in the field it means the difference between seeing a faint heat signature behind a bush and seeing the shape of the animal's legs. The 384×288 sensor at 12 microns combined with the higher-end sensitivity gives you a clean image at ranges where the Mini 384 starts to get noisy. The 0.49-inch Full HD OLED is the same display used in the 640 Elite, and it makes everything look more natural. Scanning a field edge for movement is less fatiguing.

The trade-off for that big OLED is a larger housing. On a carbine-length rifle the Thor 6 Elite balances fine. On a lightweight hunting rifle it can feel like the scope outweighs the barrel. The three-button control layout is simple enough to use without reading the manual, but the buttons are stiff and require a deliberate press.

5. ATN Thor 6 Elite Thermal Scope 2–16x (640×512) with Built-in LRF: The Long-Range Specialist

Pros

• 640×512 sensor resolves targets at extreme distances
• Built-in laser rangefinder with ballistic calculator adjusts the reticle automatically
• ≤15 mK NETD ensures detection in the worst conditions

Cons

• 1.89 pounds, heavy enough to change gun balance
• Considerably more investment than a 384 model

Best for: Coyote and predator hunters who shoot across fields and pastures at 300-plus yards and want a one-scope solution.

Check current price on Amazon →

This is the scope for the shooter who wants to minimize variables. The 640×512 sensor with 12-micron pixels gives you a real 2-to-1 resolution advantage over the 384. At 500 yards, a coyote's ears and tail are distinct shapes, not warm smudges. The built-in laser rangefinder pairs with the onboard ballistic calculator so that once you range the target, the scope can automatically apply holdover. There is no need to dial. That speed matters when you have a moving target and a limited window.

The SharpIR AI on this model works aggressively to separate targets from background clutter. We found it particularly useful in fields with scattered grass clumps, where the AI prevented false positives from heated rocks. The Recoil Activated Video captures the full shot sequence, which is helpful for reviewing shot placement. The only practical downside is the weight: at nearly two pounds, it will make a lightweight rifle feel muzzle-heavy.

6. ATN Thor LTV Ultra-Light Weight Thermal Scope (256×192): Best for Close-Range Hog Hunting

Pros

• Classic 30mm tube scope design mounts with standard rings
• One Shot Zero works as advertised
• USA-built, tested in Doral, Florida
• 1.4 pounds, same light weight as the 4K+ version

Cons

• 1.5–4.5x magnification is very limited; not for shooting past 100 yards
• 256×192 sensor means the image is soft at the upper end of the zoom

Best for: Nighttime hog hunters who work from a truck or ATV and need a fast-acquisition thermal for shots inside 75 yards.

Check current price on Amazon →

This is the lower-resolution sibling of the 4K+ LTV, and it fills a specific niche. With only 1.5x to 4.5x magnification, you are not reaching out past a hundred yards. But for hitting hogs at bow range or inside a 40-yard sendero, the 256×192 sensor is plenty. The fixed-sharpness thermal sensor and 60 Hz refresh mean the image is fluid and the field of view is wide. It feels like wearing thermal goggles that happen to have a reticle attached.

The scope uses SharpIR technology and HD video recording, though at this resolution the video is not as detailed as the 4K+ model. The 90mm eye relief is generous and makes mounting on a short-barreled rifle easy. The light weight means it works well on a suppressor-host rifle that already has a can hanging off the front.

7. ATN Thor 5 LRF Smart HD Thermal Scope (320×240): The Proven LRF Platform

Pros

• Built-in laser rangefinder and advanced ballistic calculator
• Custom reticle editor lets you design and share reticles
• Gen 5 sensor with HD OLED display

Cons

• 320×240 sensor is lower resolution than the 384 in the Thor 6 Mini
• 2.1 pounds is the heaviest scope on this list
• Gen 5 sensor is a step behind the Thor 6's Gen 6 in sensitivity

Best for: Hunters who rely on the laser rangefinder and ballistic calculator features and prefer the established Thor 5 platform.

Check current price on Amazon →

The Thor 5 LRF was the flagship when it launched, and it remains a capable scope. The 320×240 sensor with Gen 5 sensitivity is adequate for shots inside 300 yards, but next to the Thor 6's 384 sensor with Gen 6 sensitivity, the image is noticeably less crisp. The advantage here is the integrated LRF and ballistic calculator. The scope ranges a target and the ballistic calculator applies the correct holdover for your load data. It takes the mental math out of a long shot.

The custom reticle editor is a unique feature: you can design your own reticle shape in the app, share it with friends, and load it onto the scope. For hunters who use custom ballistic data, this is genuinely useful. The scope records HD video and has Wi-Fi streaming. The weight is the biggest downside. Combined with the LRF module, it sits at 2.1 pounds. On a heavier rifle this is manageable, but on a lightweight hunting rig it is noticeable.

8. ATN Tico 6 Thermal Clip-On (640×512): Best Clip-On for High-End Day Scopes

Pros

• 640×512 sensor provides exceptional detail for a clip-on
• Mounts in front of your existing scope without affecting zero
• Works as a handheld monocular when detached
• Recoil Activated Video and 64GB recording

Cons

• Adds 1.24 pounds to the front of the rifle
• The clip-on design works best with scopes that have at least 40mm objective lenses

Best for: Shooters with a premium day scope they love who want to add thermal capability for night hunting without compromising their day setup.

Check current price on Amazon →

The Tico 6 in 640×512 is the clip-on for people who do not want to compromise on thermal resolution. Clipping it onto the front of a 3-15x day scope transforms the rig into a thermal weapon without losing your existing zero or reticle. The 640×512 sensor sees further and cleaner than the 256 version, and with ≤18 mK NETD it rivals dedicated thermal scopes in sensitivity. You can use it as a monocular for scanning, then clip it on when you identify a target.

The 0.32-inch 800×600 OLED is adequate for a clip-on, though it is not as sharp as the 1080p display in the Thor 6 Elite. The unit comes with a tactical remote control, which is convenient if the clip-on is mounted far forward. The biggest caveat is that it changes the balance of the rifle. On a rifle that is already nose-heavy, adding another 1.24 pounds up front makes it handle like a log.

9. ATN Tico 6 Thermal Clip-On (256×192): Best Budget Clip-On

Pros

• Lightest clip-on option at 1.12 pounds
• SharpIR AI improves the 256 sensor's image noticeably
• Wireless streaming and 64GB recording

Cons

• 256×192 sensor limits detection range compared to the 640 version
• The clip-on adds length to the gun, which can interfere with mounting in a tight blind

Best for: Hunters who already own a quality day scope and want to try thermal clip-on without a major commitment.

Check current price on Amazon →

Same Tico 6 body, lower sensor resolution. The 256×192 version costs significantly less than the 640 version, and for many hunters it does everything they need. The SharpIR AI processing helps close the gap: the AI sharpens edges and boosts contrast, so the image looks better than the raw sensor resolution suggests. On a 1x clip-on that is paired with a magnified day scope, the limited base resolution is less of an issue because the day scope handles the magnification.

This Tico also works as a monocular with recording, which adds versatility if you want to scan without your rifle. The 64GB internal memory is enough for hours of footage. The biggest practical limitation is the same as all clip-ons: the extra length can make a carbine too long to fit in a case. But if you plan to use thermal a few nights a season and do not want to replace your existing optic, this is the most straightforward way to do it.

---

Buyer's guide: how to choose an ATN thermal scope

Thermal scopes are a significant investment, and the wrong choice will leave you squinting at a screen full of noise when what you need is a clear aiming point. The key is to match the scope's capabilities to the distances you actually shoot and the conditions you hunt in. Here are the factors that separate a good thermal scope from a great one.

Sensor resolution and pixel pitch

The sensor is the heart of the scope. Resolution is measured in pixels (256×192, 384×288, 640×512). More pixels mean more detail at a given range. Pixel pitch is the size of each individual pixel, measured in micrometers. Smaller pixels pack more pixels into the same sensor area. ATN uses 12-micron pixels across its 2026 lineup. That is a good standard. A 384×288 sensor with 12-micron pixels will give you a usable identification range of about 400 to 600 yards for a deer-sized animal. A 640×512 sensor pushes that past 800 yards. For most hunters, the 384 is the sweet spot. If you are shooting across wide agricultural fields or in open prairie, the 640 is worth the premium.

NETD sensitivity (Noise Equivalent Temperature Difference)

This spec tells you the smallest temperature difference the sensor can detect. Lower numbers mean the sensor can see fainter heat sources. The ranges in ATN's lineup are from ≤20 mK (entry) down to ≤15 mK (elite). In practice, a 15 mK sensor will show you a fox bedded in tall grass on a cool morning when a 20 mK sensor would need the fox to move to reveal its heat signature. The difference between 18 mK and 15 mK is subtle but real. If you hunt in areas with thick vegetation or frequent thermal clutter (rocks, warm ground), the lower NETD pays off.

Refresh rate and display type

Refresh rate above 50 Hz is essential for moving targets. All current ATN scopes run at 50 or 60 Hz, so tracking a running hog is smooth. The display is where the models diverge. The Thor 6 Mini uses an 800×600 OLED that is good. The Thor 6 Elite and the Thor LTV use a 1920×1080 Full HD OLED that is noticeably better. The difference is like watching a 720p TV versus a 1080p one at the same distance. For extended scanning, the higher-resolution display causes less eye fatigue.

Battery system and runtime

Every ATN thermal scope in this list runs on replaceable 18650 lithium-ion batteries. That is a deliberate choice: you can carry spare cells in a pocket and swap them in the field. Runtime varies from about 7 hours on the Mini to over 10 hours on the LTV. Consider how long you typically stay in the field. If you hunt from a stand for 3-4 hours at a time, 7 hours is fine. If you run-and-gun all night, look for 10 hours or plan to swap batteries.

Built-in features LRF and ballistic calculator

A built-in laser rangefinder adds around 0.15 pounds of weight and increases the scope's length. It replaces the need to carry a separate rangefinder and to calculate holdover. The Thor 6 Elite 640 and the Thor 5 LRF have this. The ballistic calculator in the Thor 6 automatically adjusts the reticle based on range, load, and environmental data. If you hunt in rolling terrain where distances change with every shot, the LRF is a real advantage. If you hunt from a fixed stand where you know the ranges, it is extra weight you do not need.

---

Frequently asked questions

Can I use an ATN thermal scope during the day?

Yes. Thermal scopes work in daytime and total darkness because they detect heat, not light. In bright sunlight, the image may be higher contrast because sun-heated surfaces create more thermal signature. Most ATN scopes have multiple color palettes (white-hot, black-hot, color modes) that help you see detail in daylight. The Thor LTV with its 4K+ hybrid sensor is particularly good in mixed light because it overlays optical detail onto the thermal image.

How far can an ATN thermal scope detect a human-sized target?

Detection range depends on the sensor resolution and the atmospheric conditions. With a 384×288 sensor, you can detect a human-sized heat source at about 1800 to 2700 meters. But detection is not identification. At that distance you see a warm spot, not a person. Identification range (seeing enough detail to identify the target as human) is typically 400-600 meters with a 384 sensor and 700-900 meters with a 640 sensor.

What does NETD mean and why does it matter?

NETD stands for Noise Equivalent Temperature Difference. It is a measure of the sensor's sensitivity to small temperature differences. A lower NETD means the sensor can pick up a weaker heat signal. For example, a scope with ≤15 mK NETD can detect a rabbit in thick grass on a cold morning better than a scope with ≤20 mK NETD. In practical terms, lower NETD gives you cleaner images in difficult conditions like fog, rain, or heavy brush.

Are ATN thermal scopes waterproof?

The Thor 6 Mini has an IP67 rating, meaning it is dust-tight and can be submerged in up to 1 meter of water for 30 minutes. The Thor 6 Elite and Thor LTV are weather-resistant but do not carry an official IP rating. All should handle rain and snow without issues. The Tico clip-on series is also weather-resistant. You should still dry the lens and battery compartment after exposure.

Do I need a laser rangefinder built into the scope?

It depends on how you hunt. If you spot-and-stalk where distances vary constantly, the built-in LRF with ballistic calculator is a significant advantage. You range the target and the scope adjusts the reticle without you taking your eye off the animal. If you hunt from a blind or stand where you have known distances marked, a separate handheld rangefinder is sufficient and saves the weight.

What battery does an ATN Thor 6 use?

All current ATN Thor 6 and Tico 6 models use a single replaceable 18650 lithium-ion battery. These are standard cylindrical cells (the same size used in high-end flashlights and vape devices). You can buy them from any battery retailer. ATN recommends using unprotected, button-top 18650s. Runtime varies by model from 7 to 10 hours. Always carry at least one spare.

Can I record video with an ATN thermal scope?

Yes. Every ATN thermal scope in this lineup has built-in video and audio recording with 64GB of internal memory. There is no need for an SD card. The Recoil Activated Video (RAV) feature starts recording automatically when the scope detects a recoil. You can review footage on the scope or transfer it via USB-C to a computer. The Thor LTV records in 4K; others record in HD.

---

Final verdict

The 9 best ATN thermal scopes in 2026 cover the spectrum from the Thor LTV for lightweight hunters to the Thor 6 Elite 640 with LRF for those who need maximum range and precision. For most hunters, the ATN Thor 6 Mini 384 is the straightforward recommendation. It gives you the Gen 6 sensor with 384 resolution, a sharp 1080p OLED, and a compact package that does not weigh down your rifle. If you are building a lightweight hunting rifle and care about every ounce, the ATN Thor LTV (4K+ version) is a close second. And if you already own a premium day scope and want to add thermal without re-zeroing, the ATN Tico 6 640 clip-on is the most flexible option.

If you are still unsure, start with the distances you typically shoot. Inside 200 yards, a 256 sensor or the LTV's 4K+ sensor is enough. From 200 to 400 yards, the 384 Mini or the 384 Elite is the safe bet. Past 400 yards, the 640 Elite with LRF is the one that turns a questionable shot into a confident one.

This article contains Amazon affiliate links. We may earn a small commission on qualifying purchases at no extra cost to you.