TOP 17 Best Thermal Scope Review And Guides 2023

If you do not have time for the details, here are our top picks for thermal scopes:

1. ATN ThOR-HD 640 
2. Trijicon Electro Optics REAP-IR 
3. Pulsar Thermion XP50 
4. ATN ThOR 4 
5. IR Defense IR Hunter Mark II 
6. Trijicon Teo Snipe-IR Clip-On Optic 
7. Armasight Predator 336 
8. Pulsar Trail 2 LRF XQ50 
9. ATN ThOR-LT 
10. Pulsar Core RXQ30V 
11. Armasight Zeus Pro 
12. Armasight Apollo-Pro MR Clip-On Sight 
13. Sig Sauer ECHO3 Thermal Reflex Sight 
14. Pulsar PL76475 Apex XD75 
15. AGM Global Vision Python-Micro 
16. Steiner Close Quarter Red Dot Thermal Sight 
17. Leica Calonox Sight 

Human eyes aren’t very useful for seeing in the dark, so if you need to shoot after the sun goes down, you’re going to need some help. The best thermal scope will definitely help you line up crosshairs on targets, even in total darkness. If you’re in the market for a solid thermal optic, but aren’t sure where to start, don’t worry. We’ve done the research for you. We’ve even put together this list of the best thermal optics on the market today.

Comparison Table 

Top 17 Best Thermal Scope Reviews 

1. ATN ThOR-HD 640 

ATN is an industry leader in both night vision and thermal technology. The company specifically serves the needs of nighttime hunters, and their ThOR-HD 640 optic is an excellent choice for hog hunting.

The optic uses a cutting-edge Obsidian T II thermal core processor that detects heat energy in the environment and then converts it to a digital image for easy viewing. The ThOR-HD 640 also features an onboard ballistic calculator and built-in rangefinder that automatically computes the distance to your target and factors in the bullet trajectory. This allows you to adjust your point of aim for more accurate nighttime shooting .

Like many of the thermal optics on our list, the ThOR-HD 640 has high-res video and photo capabilities. It also has recoil-activated recording (RAV), which automatically records your shots. WIth Wi-Fi streaming capabilities, you can use your smartphone or tablet as a viewfinder and share all the heart-pumping action of your hunts with your friends.

Although the ATN ThOR-HD 640 is an intricate high-tech device, it is also surprisingly durable. It features a shockproof and waterproof construction that makes it tough enough to handle both harsh recoil and harsh weather.

Pros

• It is full of advanced features
• Excellent thermal sensing range and even animals appear well
• Most people will find a color theme or reticle they like
• The Zero function is simple to use and retains zero well
• It has an accommodating eye relief
• It comes with the kits (tripod) to put it up
• It has durable buttons, and a user interface that’s easy to use

Cons

• It lags during operation 
• It still has problems with bugs
• Range finding doesn’t operate adequately

2. Trijicon Electro Optics REAP-IR 

Perfect for tactical ops, the Trijicon REAP-IR has controls almost identical to the US military’s AN/PAS-13 thermal scope. This makes the REAP-IR an ideal option for former military personnel who will already be familiar with the AN/PAS-13’s settings and controls.

If you don’t want the expense of several thermal optics for all your weapon platforms, the Trijicon REAP-IR is the answer to your prayers. This device stores multiple reticle positions so you can easily swap the scope between rifles without losing accuracy.

This high-tech, battle-ready optic has a handy and unique feature called Edge Detect Mode. When used in this mode, hot targets are outlined to reduce brightness and preserve the shooter’s natural ability to see in the dark. This setting is perfect for target rich environments where most thermal scopes would be difficult to use.

Crafted from quality aircraft grade aluminum, the REAP-IR is nitrogen filled and o-ring sealed for true shockproof performance. It also includes a Picatinny rail mount that makes it easy to add to your AR-15, AR-10, or other modern sporting rifle.

Pros

• It is very convenient
• Uses a very high-quality screen
• This model is lighter in weight than the others.
• Meets the army’s (MIL-STD-810G) requirement for reliability.

Cons

• It only lasts for four hours.
• There are not the best choices for reticle and color schemes.
• Interface and control systems aren’t as smooth as that of others.

3. Pulsar Thermion XP50 

The Pulsar Thermion XP50 flaunts an extreme 1,975-yard detection range. The company achieves this impressive feat by using top-notch germanium optics and a high-tech thermal imaging sensor. If you need to drop coyotes from a distance, this is the perfect tool for the job.

Not only does the Thermion XP50 have an impressive detection range, it also features Pulsar’s patented Image Boost Technology. This allows you to see those distant targets with stunning clarity. The image clarity of this optic is so sharp, you can almost count the fleas on a predator’s back.

The Thermion XP50 allows you to store up to five rifle profiles and 50 zeroes, so you can use this single optic over several platforms. You can also change loads without needing to recalibrate the thermal rifle scope. Just dial in the saved data, and you’re ready to shoot.

The Thermion XP50 has several different color palettes to choose from, allowing you to change the color scheme for enhanced viewing in any shooting setting. You can even record hours of video and thousands of still photos right on the device.

Pros

• It can handle recoil up to “.375 H&H” and can trace up to 1,800 meters away.
• It uses top-quality parts which enhances the quality of images processed.

Cons

• Extra batteries cost approximately $100 each.
• The gun has a range of characteristics that require a lot of exercise to be familiar with.

4. ATN ThOR 4 

ATN’s ThOR 4 has all the function and capabilities of a high-tech thermal scope wrapped up in a package that looks just like a traditional riflescope. However, the ThOR 4 is anything but traditional. Packed with the “Next Generation” of thermal sensor, the ThOR 4 is powered by an Obsidian IV dual core processor. Not only does this provide higher thermal sensitivity, it also improves image contrast and resolution.

The ATN ThOR 4 includes an onboard ballistic calculator that stores multiple weapon profiles. The calculator also factors in temperature, range, angle to target, and atmospheric humidity, so you can achieve the perfect shot no matter the shooting conditions.

With the ThOR 4, you can stream video to your tablet or smartphone while simultaneously recording footage to an internal SD card.

Serious hunters will also appreciate the ThOR 4’s ultra low power profile. The battery on this optic offers more than 16 hours of continuous operation, so you never need to worry that your battery will die in the middle of a fast-paced hunt.

Pros

• As you zoom, the image quality remains visible.
• There are upgraded sensors and eyepieces.
• You can mark GPS coordinates on ATN thor hd Radar and distribute them to other users.

Cons

• Similar to top-quality options, it has shorter ranges for sensing, validation, and classification.
• Not waterproof and can’t resist other seasonal changes.
• The Pulsar and Trijicon sensors are more significant than this model.

5. IR Defense IR Hunter Mark II 

One of the best rated thermal imaging devices on the market today, the IR Defense IR Hunter Mark II produces sharp, high-contrast images while using less battery power than most other thermal weapon sights. The device uses a CR123 battery that offers up to 40 percent longer usage in the field.

The IR Hunter Mark II features a 60hz fast frame rate. This feature, paired with the mil-spec Emagin OLED display, makes it easy to pull a lead on fast-moving coyotes and other predators.

The controls on the IR Hunter Mark II are very similar to the controls on a traditional riflescope . The zoom and adjustment turrets are located right where you would expect them on a daytime optic, making this thermal highly intuitive and easy to use, even for shooters unfamiliar with thermal technology.

The IR Hunter Mark offers video output, detailed reticles, and some seriously rugged durability. It is both water and fog resistant, making it suitable for shooting in all weather conditions.

Pros

• It will last for a long time.
• It makes images that are very clear.
• It comes with an eye shield that can be closed.
• It is made with an ergonomic design that makes it easy to hold and use.
• A smooth case for storing the thermal rifle scope is also included.
• The company that made it stands behind it with a quality guarantee.

Cons

• There is no way to control it, like a remote or navigation system.
• It is quite costly.

6. Trijicon Teo Snipe-IR Clip-On Optic 

This lightweight, compact thermal imaging monocular from Trijicon is designed to clip onto your rifle in front of your LPVO. The Snipe-IR is optimized for use with Trijicon’s 4×32 ACOG. When paired with the popular ACO, it offers easy sight-in integration for the most accurate calibrations. However, the Snipe-IR can also be used with other 2x or 4x day optics.

Like all Trijicon optics, the Snipe-IR is rugged and ready for battle. Durable enough for the toughest conditions on the planet, the Snipe-IR features an aircraft-grade, 6061 aluminum chassis. The housing is nitrogen filled and o-ring sealed, making it completely fogproof and shockproof. The optic is also waterproof to 1 meter.

The controls of the Snipe-IR are incredibly intuitive, even for inexperienced users. Our favorite feature is the Digital Focus Control Image Enhancement, which allows you to focus in on your intended target and sharpen the overall picture so you can see even the tiniest details with surprising clarity.

Pros

• It has a high frequency rate and image quality.
• Hardly a black view. 
• It has alternative to sending quality video recordings out
• It has adjustable focal lengths.
• It has an eyepiece that can focus.

Cons

• It is quite expensive.

7. Armasight Predator 336 

The Armasight Predator 336 is one of the most affordable thermal riflescopes on the market today. A great entry-level option for hunters, the Predator 336 features durable construction and reliable performance.

This is one of the lightest thermal riflescope on our list, but don’t let its size fool you. This optic is as rugged as they come. Made from aircraft-grade machined aluminum, the Predator 336 is water and fog resistant. It also operates reliably in temperatures ranging from -40 to 122 degrees Fahrenheit, making it suitable for any climate on the planet.

The Armasight Predator 336 has intuitive, easy-to-use controls for fast shooting in the field. Other great features include, built-in video recording, multiple reticles, and a virtual rainbow of color options.

Pros

• Its 60 Hz frequency rate model works better.
• The zoom is just right.
• The one with 60 Hz has a more extended guarantee than the models with the same refresh rate. 

Cons

• The 30 Hz model had more high magnification than this one.
• It said the laser’s skin could get rusty. But that didn’t change the way the night vision scope worked.

8. Pulsar Trail 2 LRF XQ50 

Rugged, reliable, and easy to use, the Pulsar Trail 2 LRF XQ50 is perfect for nocturnal hog hunting. It features an extended heat-detecting range of almost 2000 yards, 15 different reticle styles, and 8 color palettes.

Hunters will really appreciate the optic’s instant start-up feature. Unlike other thermal models that take a while to power up, the Trail XQ50 starts on a dime. The instant start-up feature ensures your optic is always ready to go when you are. It also helps save battery life, because you can keep it turned off until go time.

The Trail XQ50 is built for rough use in the field. Made with an all-metal, magnesium alloy housing, the optic is recoil rated for the heaviest hitting cartridges. It is also o-ring sealed and has an IPX7 waterproof rating. This means the optic will run flawlessly, even after being completely submerged in water for up to half an hour.

Although the Trail XQ50 mounts easily on your rifle using standard 30mm mount rings, it is a pretty hefty beast. Weighing in at a whopping 4.6 pounds, this isn’t a loadout you’ll want to carry while hiking to remote locations.

Pros

• It’s simple to use and change the safeguards.
• The graphic user interface and layout is easy to understand.
• You won’t have any discrepancies while you’re searching for a target.

Cons 

• The mount is a little too long, and the performance is about moderate.

9. ATN ThOR-LT 

You can probably tell that we are big fans of ATN’s ThOR lineup. If you’re on a shoestring budget, a quality thermal imaging rifle scope may seem out of reach. However, the ThOR-LT is a great budget option that provides plenty of value and performance for the money. If you’re looking for a reliable, entry-level thermal scope, this is it.

ATN manages to keep the price tag low on this model by focusing on the basics. While you won’t find any fancy bells and whistles on this model, it does have surprisingly clear resolution, reliable zoom, and a one-shot zero function.

The ATN ThOR-LT also offers an impressive 10 plus hours of battery life. Weighing less than 1 ½ pounds, this is one of the lightest thermal scopes on the market. Mount this quality optic on a rifle or crossbow and you’re ready for hunting predators in the backcountry.

Pros

• The design is small and light.
• A compact regulating pad
• It is suitable for a night of shooting animals. 
• It has a very clear picture resolution.
• It is compatible in all kinds of weather.
• A double visualization way (black and white)

Cons

• There’s no provision to record video footage.

10. Pulsar Core RXQ30V 

Here is another great budget thermal. This one is from Pulsar. Simple to use but surprisingly rugged, the Pulsar Core is a perfect thermal rifle scope for shooters new to thermal technology.

Hunters will love the handy picture in picture (PIP) function. This function allows you to maintain a wide field of view while focusing on a specific target within that field. This is a handy feature for tracking multiple hogs, especially if you’re hunting over a bait station.

Although the Pulsar Core has a thermal detection range of 985 yards, it offers the best clarity at ranges under 150 yards. It also performs best at the lowest magnification setting. Still, this a solid optic for both hunting and tactical applications.

Pros    

• It has a strong center
• The picture quality is good.
• Easy to mount on the rifles.
• It’s simple to take off and put on.
• Up to three features for various rifles can be saved.

Cons

• It’s very expensive.
• Fixed attention.
• The efficiency is not that good during the day.

11. Armasight Zeus Pro 

The Zeus Pro from industry leader Armasight is a rugged, mil-standard 810 compliant optic. It is built from aircraft grade aluminum and features a textured rubber coating for extra durability. It is completely waterproof, fogproof, and shockproof. The Zeus Pro is also tough enough to handle the harshest recoil (up to .50 BGM) without damaging internal components or losing its zero.

The Zeus Pro is the smallest and lightest thermal optic in the Armasight line-up. It only weighs 24 ounces without batteries. While the AA batteries will add some extra ounces, the thermal imaging scope is well-balanced and lightweight for easier off-hand shooting.

This is a highly accurate weapon sight that offers multiple reticle styles and color palettes to prevent eye fatigue. You can also easily zoom through the magnification range without changing the point-of-aim to point-of-impact relative to your reticle.

Pros

• It doesn’t rely on ambient light. 
• Even in total darkness, it can tell the position of the target.
• Even when the weather is terrible, your view won’t be blocked.
• It is very portable
• It is extremely weather-resistant.

Cons

• It is quite expensive.
• Not that many color alternatives are open.

12. Armasight Apollo-Pro MR Clip-On Sight 

Don’t be fooled by the Apollo-Pro’s clip-on design. This high-tech optic from Armasight is packed with cutting-edge features.

Designed to attach in front of your favorite traditional riflescope, the Apollo-Pro allows you to seamlessly transition from daytime to nighttime shooting without missing a beat. Since it mounts directly in front of your riflescope, there’s no need to zero the optic. Instead, it works in tangent with your existing rifle scope, allowing you to detect surrounding heat signatures.

The Apollo-Pro has terrific image clarity and a focus range of zero to infinity. Shooters can choose from multiple color palettes. The device also allows you to record video using the optic’s video output feature.

The Apollo-Pro takes four AA or CR123A V batteries and offers enough power for up to seven continuous hours of use in the field.

Pros

• It has good image quality even when zoomed in, and its palettes and reticles can be changed.
• It could send video out.
• It is controlled by a remote.

Cons

• It costs a lot.
• It has been shut down by recoil.

13. Sig Sauer ECHO3 Thermal Reflex Sight 

Whether you’re already a fan of SIG Sauer or not, the ECHO3 thermal reflex sight does not disappoint. This optic offers tons of performance wrapped in a tiny package. The ECHO3 measures only 4.3 inches long and sits only 3.3 inches above your weapon. And since it weighs a scant 14.3 ounces, this optic definitely won’t weigh down your AR-15.

SIG packs a lot of punch into this teeny thermal riflescope. One of the major perks is the BDX Enabled Wi-Fi/Bluetooth connection. This feature modifies your reticle to coincide with input from your SIG KILO rangefinder. The reticles are configured using the BDX mobile app that you can download right to your smartphone.

The ECHO3 delivers some of the best battery life you’ll find in a thermal optic. SIG uses MOTAC (Motion Activated) technology. This feature automatically powers up the optic when it senses motion. During periods of inactivity, MOTAC turns the device off to conserve power. This ensures the thermal is always ready to shoot when you are, and you won’t have to worry about your battery dying during the heat of the hunt.

Pros

• It processes rapid and clear images.
• It has a large field of view.
• It’s an excellent thermal scope for hunting at night.
• It’s not very heavy.

Cons

• Except if the user’s eye is near the lens, only a tiny quantity of light is reflected on the user’s face.
• When you adjust the reticle, targets will notice a quiet noise.

14. Pulsar PL76475 Apex XD75 

First released in 2015, Pulsar’s Apex XD75 thermal riflescope has definitely been around the block a time or two. With a proven track record, you can rest assured that the Apex XD75 offers plenty of performance for both hunting and tactical applications.

One of the Apex XD75’s best features is the advanced digital zoom with picture-in-picture viewing. The picture-in-picture digital display shows a magnified image of the reticle at the top of the viewing screen. This provides a detailed, precision aiming point while the edges of the screen maintain the lower level of magnification. Preserving the wider field of view, the picture-in-picture function helps you get back on target fast for rapid, accurate follow-up shots. The feature is also handy in the target rich environments often common for hog and coyote hunting.

The Pulsar Apex XD75 offers three operating modes for easy use in a variety of environments. Shooters can choose the “Rocks” mode in areas where high contrast is necessary. “Forest” mode provides lower contrast and “Identification” mode makes hot objects pop for quick acquisition.

Pros

• It makes small targets easy to see, even at night. 
• It’s great for shooting from a long distance.

Cons 

• It’s quite expensive

15. AGM Global Vision Python-Micro 

This compact, lightweight thermal optic from AGM was designed to provide reliable operation in any weather condition. The Python Micro has a tight, waterproof design that withstands rain, sleet, snow, or just about anything else Mother Nature might throw your way. The device also has a reliable operating temperature range of -4 to 122 degrees Fahrenheit.

The Python Micro’s high-resolution display and intuitive controls make it easy to use, even for shooters new to thermal optics. Jam packed with high-performance features, the Python Micro comes with Wi-Fi data transmission capabilities, electronic accuracy correction, and a limited three-year warranty.

Pros

• It’s water-resistant
• It’s good for shooting from far away.

Cons

• The eye cup is simple to take off of the scope.

16. Steiner Close Quarter Red Dot Thermal Sight 

Designed for CQB military use, the Steiner Red Dot Thermal Sight is a see-through optic that provides shooters with both a real-world view and thermal imaging.

The device features three different thermal modes that can be easily used both day or night. The Full Thermal Mode is ideal for use in bright daylight conditions, while the Outline Mode helps preserve natural night vision in full dark conditions. Shooters can also choose a patrol mode for quick target detection.

Built to mil-spec standards, the Steiner CQB Red Dot Thermal offers stable operating performance in a wide range of temperatures and weather conditions. Not only is this optic perfect for tactical operations, it also works well for hunters who need to see hogs, coyotes, and other predators in full dark conditions.

Pros

• It has a technology called CVT.
• It uses a red dot to point to a spot on the target.

Cons

• It costs a lot.
• It use a low quality thermal sensor 

17. Leica Calonox Sight 

Designed to flow with the dynamic challenges of hunting, the Leica Calonox thermal camera works as either a handheld device or a clip-on optic you can attach in front of a traditional riflescope. The controls are highly intuitive and easy to use, even in total darkness.

The Leica Calonox Sight offers four separate color modes for optimal contrast and highly detailed thermal images. These images are some of the sharpest, most detailed images you’ll ever see through a thermal optic, making it perfect for game identification.

Pros

• It has an OLED screen.
• It has a wide range of vision.

Cons

• It can only be used together with a regular rifle scope.
• It has a built-in battery.

Final Thoughts 

Thermal optics are high-tech tools that provide tactical leverage on the battlefield and help hunters identify and harvest nocturnal game. They are also great for recreational after-dark shooting. If you need to engage in nighttime shooting, finding the best thermal scope doesn’t need to be difficult. Any of the best scope models on our list should serve you well.

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