12 Best Thermal Scopes That Actually Work (2021)
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12 Best Thermal Scopes That Actually Work (2021)

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You plan to take the plunge and pick up your first thermal scope,  but a thermal vision is expensive and there are many options to choose from. The best thermal scope comes with a great battery, has proper mount options, and offers the best value for money. Here are our top three.

Top options

Best thermal scope

ATN ThOR 4

Best that money can get

Pulsar Trail LRF

Best budget option

Sector T20

Best thermal scope

1. Sector Optics T20 3-5.5x Thermal Rifle Scope

The Sector Optics comes with a variable magnification that goes from 3x to 5.5x. You can use it for the close-range shooting of smaller objects pretty well. This budget thermal scope can manage a resolution of 80×60 pixels and continue to operate for up to 4 hours. 

With this much resolution, you can only use this scope for entry-level applications. Most of the thermal scope reviews tend to ignore how these scopes perform well in terms of battery life. And this is where this scope underperforms. You will have to recharge its CR2 after each use. 

This thermal scope for coyote hunting provides you with better intel regarding the surroundings of your target because it has a linear FoV that ranges from 14 feet to 24 feet at 100 yards. And with a decent operating temperature range of -10C to 45C, you can use it conveniently in different environments. 

The lightweight construction of this cheapest thermal scope is not going to weigh you down either. What makes it the best thermal imaging scope is its ability to acquire targets within the range of 75m to 150m with a minimum focus distance of 1m. 

What we liked

  • The affordable thermal scope comes with image enhancement technology onboard
  • Automatic shutter equipped with NUC
  • Automatic shutdown to save battery power
  • Multiple displays including color, NV green, black-hot, and white-hot
  • 30mm mourning rings 
  • Comes with a wrist strap
  • Best thermal rifle scope for the money

What we didn’t like

  • Battery life is not that great
  • Low resolution at the distance
  • Not suitable for high-end applications

Magnification: 3x to 5.5x
Lens diameter: 30mm
Field of view: 8 feet to 12 feet at 100 yards
Eye relief: 4-inch
Reticle: MOA
Resolution: 80×60
Battery life: 4 hours
Operating temp: -10C to 45C
Features: Automatic NUC, on-board image enhancement, multiple display views

2. ATN ThOR LT 3-6x Thermal Rifle Scope

The ThOR LT ATN is a top-quality thermal rifle scope that boasts a variable magnification of 3x to 6x. It can allow you to improve your hunting skills at close ranges effectively. This cheap thermal vision scope can manage a resolution of 1280x720p HD. And it will reveal all the details associated with your target.  

The thermal imaging scope also comes equipped with single-shot zeroing in capability and you can make quick adjustments to your scope with ease. You can view your target either in black hot or white hot modes in each of these ATN scopes. The ATN ThOR thermal scope is the best thermal scope for hog hunting.

It is the best thermal scope for AR15 and is extremely easy to mount on your 30mm rings. It can provide you with more than 10 hours of battery with a single charge. The automatic battery-saving feature is there as well, so you don’t have to recharge the thing during your hunt. The ability to give you accurate results in different operating temperatures between -28C to 48C makes it the best thermal night vision scope. 

What we liked

  • Comes with multiple accessories from ATN
  • The thermal optic scope has variable zoom ranging from 3x to 6x
  • Wide operating temperature range from -28C to 48C
  • Long eye relief of 3.5 inches
  • Multiple reticles for easy target acquisition at short ranges 
  • HD display resolution of 1280x720p
  • Thermal optics come with a quick refresh rate of 60 hertz

What we didn’t like

  • Doesn’t hold against heavy recoils that well

Magnification: 3x to 6x
Lens diameter: 30mm
Field of view: 8.3 feet to 11 feet at 100 yards
Eye relief: 3.54-inch
Reticle: Multiple
Resolution: 1280×720 HD
Battery life: 10+ hours
Operating temp: -28C to 48C
Features: 3D accelerometer, water-resistant, single-shot zero

3. Pulsar Core RXQ30V 1.6-6.4x22mm Thermal Imaging Scope

This Pulsar rifle scope is equipped with a 22mm objective lens. It features a variable magnification that goes from 1.6x to 6.4x. With a refresh rate of 50 Hz. This is indeed the best thermal scope for hunting and updates you with the latest information regarding your target.

They are durable and reliable as they work with almost every weapon. The features it comes with are apt outdoor activity or operation. It is the best thermal imaging rifle scope. It also comes with a display resolution of 640×480 pixels and has an illuminated core thermal reticle for fast target acquisition. The scope is also equipped with a 2nd focal plane, so you can improve on your long-range shooting. 

With a linear FoV of 21.8 yards at 100 yards, you have better situational awareness about your target and its surroundings. A full-color image intensifier allows you to see clear images with vivid colors. It is one of the top thermal scopes; no details will be hidden from you when you use it to shoot.

What we liked

  • Variable magnification is there for better target acquisitions at shorter ranges
  • A fast refresh rate of 50 Hz
  • The thermal imaging rifle scope comes with a 2nd focal plane for better aiming at longer ranges
  • Best thermal scope under 2000
  • A wide operating temperature range from -25C to 50C 
  • Full-color image intensifier
  • Illuminated reticle for better aiming in low light

What we didn’t like

  • Battery life is a bit of a let down at only 4 hours 
  • Slightly choppy when zooming

Magnification: 1.6x to 6.4x
Lens diameter: 22mm
Field of view: 21.8 feet at 100 yards
Eye relief: 1.97-inch
Reticle: Illuminated Core
Resolution: 640×480 pixels
Battery life: 4 hours
Operating temp: -25C to 50C
Features: 2nd focal plane, wireless remote control, external power adapter

4. ATN ThOR 4 384 1.25-5x Thermal Smart HD Rifle Scope

The ThOR 4 ATN thermal image scope also comes equipped with a variable zoom of 1.25x to 5x along with a 19mm objective lens. This is a compact-sized thermal scope that will not weigh you down when you are taking your aim.

With this scope in your hand, you don’t have to spend a lot of time because it comes equipped with a single-shot zeroing in the feature. Point-and-shoot is all you have to do. These infrared rifle scopes also come with an inbuilt rangefinder and can take recoils pretty well. 

Its refresh rate is around 60 Hz and you will be timely updated about the current status of your target and its surroundings. The thermal hunting scope runs with a Li-Ion battery that provides you with a decent battery life of 18 hours. So, you don’t have to recharge the scope when you are out in the field.

What we liked

  • 18 hours of battery life
  • Variable magnification ranged from 1.25x to 5x
  • Fully water-resistant construction
  • Long eye relief of 3.54-inch
  • HD resolution of 1280×720 pixels 
  • It handles recoils pretty well
  • The infrared rifle scope is wifi activated

What we didn’t like

  • Can’t zero scope
  • Only workable at around 100 yards for identifying an animal properly

Magnification: 1.25x to 5x
Lens diameter: 19mm
Field of view: 21 feet at 100 yards
Eye relief: 3.54-inch
Reticle: Multiple
Resolution: 1280×720 pixels
Battery life: 18 hours
Operating temp: -28C to 48C
Features: Wifi and Bluetooth connectivity, onboard ballistics calculator, smart rangefinder

5. Sector Optics G1T3 System 1-8x24mm Thermal Scope

The G1T3 Sector Optics thermal scope has a 24mm objective lens with a variable zoom of 1x to 8x. The lens of this scope comes with anti-reflective coatings that allow the lens to perform well in low light. 

These thermal scopes for hunting also come with a 2nd focal plane reticle to aim better at the targets that are away from you. If you are looking for a scope that features a glass-etched reticle, you don’t need to look any further. This digital thermal scope also comes with different brightness control and you can use it in different light conditions. 

These thermal scopes for coyote hunting come with multiple image enhancement modes present in this scope. You can also use onboard image capturing features of this scope for various purposes. Its exit pupil ranges from 3mm to 24mm and you can conveniently see brighter images. 

What we liked

  • Inbuilt image enhancement modes
  • Software updates through USB-C port
  • Display technology with ID embedding
  • Rated IPX6 for water resistivity
  • Wide operating temperature range from -10C to 45C
  • Wider exit pupil up to 24mm for clear viewing 
  • Inbuilt picture capabilities

What we didn’t like

  • Somewhat heavy 
  • Choppy zooming at times

Magnification: 1x to 8x
Lens diameter: 24mm
Field of view: 14.4 feet to 116.5 feet at 100 yards
Eye relief: 3.5-inch
Reticle: Multiple
Resolution: 1280×720 HD pixels
Battery life: 8 to 10 hours
Operating temp: -10C to 45C
Features: IPX6 water resistivity, inbuilt picture capability, inbuilt image enhancer

6. AGM Python-Micro Compact 1.9x35mm Thermal Scope

This compact AGM thermal scope is suitable for serious shooting and hunting applications. It features a 35mm scope and comes with a fixed zoom of 1.9x. So, short-range shooting at smaller targets won’t be that comfortable. 

The infrared scope is designed for 24-hours of operation and you won’t have to dismount it from your rifle to recharge on the field. AGM has used high-quality aircraft-grade aluminum alloy for the construction of this scope, which is pretty durable. 

You also have an objection to going for bigger objective lenses if you want a more detailed application. The buttons on this thermal imaging sight have a very ergonomic design and 

This AGM model is the best thermal weapon sight because it allows you to have access through wireless remote control if you don’t want to touch your scope. 

What we liked

  • The quick refresh rate of 50 Hz for frequent updates 
  • Up to 10 different brightness settings
  • Decent eye relief of 2.36 inches
  • Picatinny and Weaver mounting options available 
  • Wide operating temperature range of -25C to 50C 
  • External power supply option is available 
  • Inbuilt HD video recorder

What we didn’t like

  • Medium battery life of 5 hours 
  • Non-illuminated reticle

Magnification: 1.9x
Lens diameter: 35mm
Field of view:14 feet at 100 yards
Eye relief: 2.36-inch
Reticle: Multiple
Resolution: 640x 512 pixels
Battery life: 5 hours
Operating temp: -25C to 50C
Features: IP66 water resistivity, external power supply, inbuilt video recorder

7. Pulsar Thermion XM50 Thermal Riflescope

One of the best thermal imaging scopes, Thermion XM50, comes with a maximum heat detection range of 2500 yards. This scope is equipped with variable magnification and goes from 5.5x to 22x. It can record videos and you can live stream what your scope sees if you want. 

The long range thermal scope is equipped with the best thermal optics. And a lens of this size is pretty good when it comes to gathering light. Therefore, this scope can perform well in pitch black conditions. The heat scope can refresh at 50 Hz and provide you with continuous information on your target at regular intervals. 

With a display resolution of 1024×768 pixels, you can experience clear viewing, irrespective of any weather conditions. The thermal rifle sight comes equipped with a variable electronics reticle that is very helpful in quick target acquisition.

What we liked

  • Rated for IP67 water resistivity
  • Equipped with weaver and Picatinny mount 
  • Wider FoV 23.1 feet at 100 yards 
  • Features full-color image intensifier
  • The IR thermal scope comes with a 2nd focal plane for longer range coverage
  • Operating temperature ranges from -25C to 50C
  • Suitable for high-end applications

What we didn’t like

  • A bit heavy  
  • The base magnification is a little high on the xm50 

Magnification: 5.5x to 22x
Lens diameter: 50mm
Field of view: 23.1 feet at 100 yards
Eye relief: 1.96-inch
Reticle: Multiple
Resolution: 1024×768 pixel
Battery life: 8 to 12 hours
Operating temp: -25C to 50C
Features: 2nd focal plane, full-color intensifier, IP67 water resistivity

8. AGM Global Vision Secutor TS Thermal Imaging Scope

The Secutor TS AGM is available in two different variants. You can either go for the Secutor TS with 2.4x zoom or for 3.6x zoom. It is equipped with a powerful battery that can last for the entire day. You won’t have to recharge it again and again on the field. And it can continuously operate for 5 hours. You also have the option of going for a more powerful objective lens. 

It is the best thermal scope for coyote hunting as it is compact and lightweight in design and complete water and shockproof. There are five different zeroing profiles you can use based on the range you are working on. The infrared thermal scope also comes with different displays that you can use in different light conditions. 

This best thermal scope under 5000 control is pretty easy to operate. A 50 Hz refresh rate is good for you when you need to stay well-informed about your target.

What we liked

  • It comes equipped with a high powered resolution
  • Best thermal scope for the money
  • There are different display settings to use in different light conditions
  • Available with different zooming options
  • There is a picture-in-picture mode available as well
  • The thermal gun scope also features an inbuilt rangefinder
  • Wifi capability and inbuilt rangefinder 
  • 11 image palettes to choose from

What we didn’t like

  • Takes long time to charge
  • Doesn’t come with many accessories 

Magnification: 3.6x
Lens diameter: 75 mm
Field of view: 12 feet to 40 feet at 100 yards
Eye relief: 1.57-inch
Reticle: Multiple
Resolution: 1024×768 pixels
Battery life: 24 hours
Operating temp: -40C to 70C
Features: Inbuilt video recorder, external battery pack, inbuilt rangefinder

9. Leica Calonox Sight 1 x 42mm Thermal Imaging Riflescope

The Calonox Leica is a high-powered scope that comes equipped with a 42mm objective lens and a tube diameter of 60mm. Therefore, when it comes to light transmission from one end to the other, there are not many scopes you can find that can best it. 

The heat sensor scope comes with a refresh rate of 50 Hz, so you can be well-informed about your target at frequent rates. The battery life at 6+ hours could have been better, but you need to have some battery backup on the field to avoid any inconveniences. 

The thermal imaging for the hunting of this scope is one of the finest when it comes to high contrast and detailed imaging with its quality sensors. It has very ergonomic controls that are very easy to access and operate. The clip-on thermal scope is still a pretty lightweight option despite having a bigger objective lens in it. 

What we liked

  • Its OLED display is pretty crisp in its output
  • All functional elements are pretty ergonomic
  • Conveniently works with a traditional riflescope
  • The quick refresh rate for better intel about your target
  • Tube diameter of 60mm for better light transmission
  • Pretty stable at full zoom
  • Quick zeroing in 

What we didn’t like

  • Only 1x fixed zoom
  • Only 6 hours of battery life available

Magnification: 1x
Lens diameter: 42mm
Field of view: 21 feet at 100 yards
Eye relief: 2.36-inch
Reticle: Multiple
Resolution: 384×288 pixels
Battery life: 6+ hours
Operating temp: -10C to 50C
Features: Large tube diameter, user-friendly, ergonomic design

10. Pulsar Trail 1.6-12.8x42 LRF XP50 Thermal Riflescope

The best value thermal scope Trail Pulsar LRF XP-50 is equipped with a large 42mm objective lens. It also features a variable zoom that ranges from 1.6x to 12.8x. It is one of the best thermal scopes because of its brilliant performance. But of course, it is not made of entry-level operations either. It is strictly a professional thermal scope mandatory for search and rescue operations or other high-end outdoor projects. 

The Pulsar thermal rifle scope comes with a quick refresh rate of 50 Hz and features a variable electronic reticle. This reticle works well in the second focal plane and can acquire targets pretty quickly. It might not come with huge eye relief, but it comes with a wide FoV that ranges from 48.9 feet to 65.4 feet at 100 yards. 

The battery can last for about 8 hours and the Pulsar thermal scope comes with a weaver mount. Its operating temperature range is from -25C to 50C. It also comes with multiple accessories that can prove to be helpful for you in the field.  

What we liked

  • Features an inbuilt rangefinder 
  • The AMOLED display is pretty clear in its views
  • Inbuilt sound and video recording
  • Variable magnification for effective short-range small target shooting
  • Comes with multiple accessories
  • Wide operating temperature range for covenant usage in different conditions
  • Features a 2nd focal plane for long-range shooting

What we didn’t like

  • No image stabilization features  
  • No HD resolution even at this price range 
  • High price tag

Magnification: 1,6x to 12.8x
Lens diameter: 42mm
Field of view: 48.9 feet to 65.4 feet at 100 yards
Eye relief: 2-inch
Reticle: Multiple
Resolution: 640×480 pixels
Battery life: 8 hours
Operating temp: -25C to 50C
Features: 2nd focal plane, inbuilt sound, and video recording, integrated rangefinder

11. Trijicon Electro Optics REAP-IR 35mm Thermal Weapon Sight

Trijicon is the best thermal scope you can find on the market in terms of performance and reliability. This is the preferred choice of military professionals, so you can’t go wrong with this one. It is equipped with a variable magnification that ranges from 2.5x to 20x. It also features a 35mm objective lens. 

The scope has a variable refresh rate that can go from 30 Hz to 60 Hz according to your needs. Moreover, the scope comes with an eye relief of 1.06 inches, which might not be that much if you compare it with other scopes on this list. Apart from that, its battery life also tops out at 5 hours. So you will need to have battery backup with you when you have it on the field. 

But it’s a tough heat thermal scope that can conveniently operate at different temperatures ranging from -40C to 55C. The military grade thermal scope also comes with white-hot or black-hot display settings. And it is made of 6061-T6 aluminum alloy to keep it durable yet lightweight. 

What we liked

  • The IR scopes feature an integrated stadiametric rangefinder
  • You can use it as a handheld monocular
  • Different reticle options are available
  • Features an eye guards
  • Thumbstick controls make the use very simple and ergonomic
  • Nitrogen purged for water and fog proof 
  • Aluminum alloy construction for durability 

What we didn’t like

  • Expensive
  • Not suitable to use in front of day optics

Magnification: 2.5x to 20x
Lens diameter: 35mm
Field of view: 21 feet to 43 feet at 100 yards)
Eye relief: 1.06-inch
Reticle: Multiple
Resolution: 640×480 pixels
Battery life: 5 hours
Operating temp: -40C to 55C
Features: Shock, fog and waterproof, integrated rangefinder, aircraft-grade aluminum

12. ATN ThOR-HD 1.25-5x Thermal Smart HD Rifle Scope

The ThOR HD ATN features a variable magnification ranging from 1.25x to 5x. If you prefer to make your shots at closer ranges and smaller targets, this thermal vision scope is a good choice for you. 

The top features of this best thermal sight include a sleek construction equipped with a 19mm objective lens. But the night vision technology in this ThOR thermal scope is digital and reveals all the tiny details about your target in no time. 

It comes equipped with a resolution of 384×288 pixels and its shorter ranges work pretty well. This thermal scope for rifle has a decent eye relief of 2.56 inches and comes with an exit pupil of 10mm for maximum light transmission. You can attach this ATN thermal scope to your rifle using Picatinny mount without any hassle.

What we liked

  • Wide operating temperature range from -40C to 55C
  • Best thermal scopes for hog hunting
  • A great choice for thermal hunting with decent battery life for smaller applications
  • Full water-resistant to work in different environments
  • Single-shot zero for quick target acquisition
  • Variable magnification for better shots at closer ranges 
  • Wifi and GPS enabled scope

What we didn’t like

  • A bit heavy
  • No setup instructions available
  • Higher price tag

Magnification: 1.25x to 5x
Lens diameter: 19mm
Field of view: 8 feet to 12 feet at 100 yards
Eye relief: 2.56-inch
Reticle: Multiple
Resolution: 384×388 pixels
Battery life: 8+ hours
Operating temp: -40C to 55C
Features: GPS and Wifi, smooth zoom, single shot zero

Thermal Scope vs. Night Vision Scope

Night vision scopes are entirely different if you compare them with thermal scopes. But they both serve the same purpose to let you see well in the dark.

Thermal scope

Thermal scopes and continuously detect minute differences in heat signatures. These scopes only detect radiation and don’t need any ambient light to produce the image you see through them. 

You can conveniently use these thermal scopes either during the day or at night. Animals release heat from their bodies and tend to be warmer than their surroundings. So they are easily detectable by a thermal scope at far distances as well. It is a good choice for long-range hunting or shooting. 

Night vision Scopes

On the other hand, night vision scopes rely on any available ambient light to produce an image you can see. And for this exact reason, you can’t use them to see at longer distances. When shooting at night, your night vision scope can use the light from the moon and stars. And if you don’t have any ambient light, you can use IR illuminators.

These illuminators work like flashlights for your night vision scope but they are not visible to a naked eye. Night vision is only useful at night and you can use it in the daytime because there is too much ambient light. It is a useful option for short-range observations. 

How to Choose the Best Thermal Scope?

Magnification

There are different thermal scopes you can go for when it comes to magnification. Some of them come with fixed, while others come with variable magnification. Variable magnification is good for you if you like to shoot or hunt at different distances. If you are more steady with your range choice, go for a fixed magnification scope. 

But keep in mind, with higher magnification, you will have to go for a narrow linear field of view. For multiple ranges, a 2x to 8x magnification option is a good choice. Fixed magnification can fall in there somewhere based on your shooting preferences.

Weight

If you are going to mount your thermal scope on your rifle, you should choose a lightweight and compact scope. And this is especially the case if you are going to hold your rifle in your hands. Otherwise, you can go for a bigger and heavier scope as well. Generally, a scope should weigh around 10 oz to 20 oz. 

Of course, it is going to weigh more when it has quality optics and various other features installed in it like wifi, rangefinder, camera, etc. If you need all those features, your scope shouldn’t weigh more than 40 oz, or it will become too heavy.

Reticle patterns

A good thing about thermal scopes is, most of them come with multiple reticle options. As they have digital displays, you can choose from a range of different reticle styles to suit your news. Hunters and shooters mostly prefer different kinds of dot reticles. 

But glass-etched reticles would be best suited for a trained hunter who likes to shoot at different ranges and different-sized targets. Illuminated reticles are also available, but they would be suitable for you if you like to shoot or hunt in low light conditions more often.

Detection range

The detection range is critical for a thermal scope. It tells you how scope can image out your target at a certain distance. In general, your scope needs to be at least clear at 100 yards. But mostly, a short-range scope should easily detect a target at 150 to 200 yards. Long-range thermal scopes can go up to 2500 yards or even farther. 

Resolution

The display resolution is equally important because it will paint a picture of what the scope is seeing. And you need to see that to make that perfect shot. And it’s a no brainers; with better display resolution, you will always get a clearer picture. 

The best options are to go for HD 1024×768 pixels for supreme precision in long-range to mid-range shooting or hunting. But if you don’t need that much resolution, a 640×380 pixel scope can also work for general purpose. 

Color modes

These thermal scopes also come with different color modes that allow you to see the heat signatures according to the comfort of your eye. Brighter, more colorful heat signatures can be easier to see in broad daylight. During night time or low light conditions, you can use white-hot or black-hot color modes. 

Refresh rate

Thermal scopes display differences in heat signatures in time. So the faster the refresh rate is, the better updates you will get about the current status and position of your moving target. Thermal scopes range from 30 Hz to 60 Hz in refresh rate. The higher the rate, the quicker the updates will be. So if you shoot at moving targets, then it is better to go for higher refresh rates.

Battery life

Thermal scopes come with all kinds of inbuilt and integrated technologies, so battery life is not going to be very high on them. Most of them top out around 5 to 10 hours. If you think that is the most time you spend out in the field daily, consider such scope, or you can go for longer battery life as well that can last up to 18 hours. If that’s not enough, you can go for a scope with an option where you can attach an external power source.

Extra features

There are some additional features you can consider as well. Some thermal scopes come with inbuilt wifi and Bluetooth connectivity options. Some of them also feature USB ports. You can also find thermal scopes with inbuilt cameras and video recorders. So possibilities are endless; you just look for what you will need the most.

Frequently asked questions

What is the best thermal rifle scope?

In terms of price, the best thermal rifle scope is the Sector Optics T20 3-5.5x Thermal Rifle Scope. But if budget is not your concern and you are looking for true power then the Trijicon Electro-Optics REAP-IR 35mm Thermal Weapon Sight is the best option.

Who makes the best thermal rifle scope?

Overall, ATN is the best when it comes to thermal and night vision scopes. Most of their scopes are extraordinary. But the best one out there is the Trijicon Electro-Optics REAP-IR 35mm Thermal Weapon Sight because it is a military-grade device. 

What is the best thermal scope for the money?

The best thermal scope for money is the Sector Optics T20 3-5.5x Thermal Rifle Scope. And it packs quite a punch.

What thermal scopes does the military use?

The military uses the Trijicon Electro-Optics REAP-IR 35mm Thermal Weapon Sight. It is a high performing, durable, and expensive scope that is designed for the professionals.

What is the best scope for coyote hunting?

The AGM Global Vision Secutor TS Thermal Imaging Scope is the best scope for coyote hunting. But you can also use the ATN ThOR-HD 1.25-5x Thermal Smart HD Rifle Scope if you have enough set of skills to hunt down a coyote.

Why are thermal scopes so expensive?

Thermal imaging uses unique technology and it is produced in lower volumes. Production in high volumes limits down costs. Since this is not the case with thermal technology so the scope comes at a higher price.

Can thermal scope see through walls?

No, thermal cameras cannot see through walls. Walls are thick and have enough insulation to block any IR radiation. The heat from the wall itself will be detectable but not from the heat source behind the wall. 

How far can thermal scopes see?

A high-powered thermal scope can easily see at a maximum range of 2500 yards without any trouble.

What should I look for when buying a thermal scope?

You need to look at the display resolution, refresh rate, and detection range when looking at a thermal scope. Weight, magnification, and field of view are all other features to consider.

How far can you shoot with a thermal scope?

Most of the thermal scopes are equipped with enough power to take a shot at around 250 yards. Some of these scopes can easily detect targets that are up to 1800 yards away.

Are ATN Thermal scopes any good?

ATN is one of the best brands on the market when it comes to thermal sight and night vision scopes. They are high-powered scopes equipped with enough features that any professional will love to use. 

Can you hunt with a thermal scope during the day?

Yes, you can hunt with a thermal scope during the daytime without any trouble. Night vision scopes are the one that doesn’t let you see in the broad daylight.