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Questions & Answers
Can I still use this during the day Manufacturer Answer

Absolutely. Thermal scopes can safely be used during the day. Since thermal technology does not rely on visible light, the image remains the same regardless of the time of day.

by ATN, Manufacturer, July 2, 2025
Is this scope a first focal plane scope? Manufacturer Answer

Since this is a digital scope rather than a traditional glass scope, there is no true optical focal plane. Instead, the sensor captures and digitizes the image. The reticle is software-generated, allowing it to be customized, or changed.

by ATN, Manufacturer, March 12, 2025
Customer Reviews
Helpful Positive Review Outstanding Performance, Unbeatable Value ⭐⭐⭐⭐⭐ by Joshua, December 3, 2024
I absolutely love my ATN thermal scopes—so much so that I own two of them! They're far easier to operate than my Armasight, thanks to their simple and intuitive design. And the customer service? Outstanding! ATN's support blows competitors out of the...
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1/1 found this helpful
Helpful Positive Review Good product by justin, January 14, 2019
I have tried the Atn Thor 4 1x10, 2.5x25 and now have the 4x40. All of them had a 640 processor. The 1x10 was very unclear with the 19mm lens compared to the 2.5x25 with the 50 mm lens. There is not much difference in clarity between the 2.5x25 and t...
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33/35 found this helpful
Helpful Positive Review Cool product but has flaws considering the high price tag by Kelly, February 16, 2020
I have mixed feelings about this scope but overall I like it. The good: The image quality is great and the thermal imager is very sensitive. I like being able to record video. The live view streaming to the app is cool for your partner to see what yo...
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9/11 found this helpful
Helpful Positive Review Best scope yet....... The ATN Thor 4 (640x480) 4-40X by Jesse Dennett III, Verified Owner, April 11, 2019
I have been a long time acid fan of ATN. I have owned the X-sight, X-sight II, and just added the ATN Thor 4 to line up. I have not had any issues with my scope (you MUST install the latest firmware update). I love that I can switch this scope from m...
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22/22 found this helpful
Helpful Positive Review ATN Thor4 640 4-40 is perfect for 150 yards or more! by EastTx, September 10, 2022
I upgraded from the 2.5x version and couldn't be happier! While the 2.5x version was good for 150yards and in, the resolution this offers at further distances is fantastic! I wasn't sure I purchased the correct magnification for my needs the first t...
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3/3 found this helpful
Helpful Positive Review best scope for the money by slamminhawgs, March 20, 2020
I used to go night hunting all the time with lights, then got a 4kpro 5-20 and thought that was amazing. i have always wanted thermal, and finally got one, holy s$#t this is a total game changer! amazing detail and can see animals way before they h...
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1/2 found this helpful
Read All 63 Reviews

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Color: Black Refresh Rate: 60 HzResolution: 640x480 pixelsCondition: New Included Accessories: Standard

Code: AT-THR-T4G640S40X-TIWST4644A

MPN: TIWST4644A

UPC: 658175115151

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ATN ThOR 4 Thermal Smart HD Rifle Scope 4-40x75mm, 30mm Tube, Black, TIWST4644A
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Product Info for ATN ThOR 4 4-40x75mm Thermal Smart HD Rifle Scope 30mm Tube

The ergonomic ATN ThOR 4 4-40x75mm Thermal Vision Smart HD Rifle Scope brings you Gen 4 dual core thermal sensor technology at an affordable price. These reliable Thermal Imaging Scopes from ATN retain favorite features and add an ultra-sensitive HD thermal sensor that lets you view and record video simultaneously. The revolutionary ATN ThOR 4 2.5-25x Gen 4 Thermal Vision Smart HD Scope features a suite of new, intuitive applications like a ballistics calculator to make using this 21st century technology feel familiar. View amazingly clear HD images like you've never seen before with the ATN ThOR 4 2.5-25x Smart HD Thermal Vision Scope.image

Specifications for ATN ThOR 4 4-40x75mm Thermal Smart HD Rifle Scope 30mm Tube:

Manufacturer: ATN
Color: Black
Magnification: 4 - 40 x
Objective Lens Diameter: 75 mm
Sensor Resolution: 640x480 pixels
Display Resolution: 1280x720 pixels
Video Record Resolution: 1280x960 @ 30/60 fps
Refresh Rate: 60 Hz
Resolution: 640x480 pixels
Reticle: Smart Mil Dot
Brightness Settings: 5
Eye Relief: 90 mm
Field of View, Angle: 6 degrees
Diopter Adjustment Range: -5 - 5 dpt
Focus Range: 15 m to Infinity
Minimum Focus Distance: 15 m
Range of Detection: 3300 m
Battery Type: Internal Li-Ion Battery
Battery Life: 18 hours, 16 hours, 16 hours
Water Resistance Level: Water Resistant
Length: 14.76 in
Width: 2.99 in
Height: 2.99 in
Weight: 2.35 lb, 1.06 kg
Condition: New
Finish: Matte
Fabric/Material: Aluminum
Included Accessories: Standard
Weather Resistance: Yes
Magnification Type: Variable

Features of ATN ThOR 4 4-40x75mm Thermal Smart HD Rifle Scope 30mm Tube:

  • Ultra sensitive Gen 4 640x480 Thermal Sensor
  • Records Video onto a MicroSD card
  • Smart Shooting Solution
  • Wifi (Streaming, Gallery & Controls) and Bluetooth 4.1 compatible with iOS and Android
  • Recoil Activated Video
  • Smart Range Finder
  • Ballistic Calculator
  • Profile Manager
  • 3D GS7 Gyroscope
  • 3D Accelerometer
  • 3D Magnetometer
  • E-Compass
  • Smooth Zoom
  • GPS for geotagging and tracking elevation
  • 3 Year Limited Warranty

Package Contents:

  • ATN ThOR 4 4-40x75mm Thermal Smart HD Rifle Scope 30mm Tube
  • Eyecup
  • Standard rings (2pc.)
  • L-shape ring
  • Scope cover
  • USB-C cable
  • Lens tissue

ATN ThOR 4 4-40x75mm Thermal Smart HD Rifle Scope 30mm Tube Orderable Models

List of Orderable Models

ATN ThOR 4 Thermal Smart HD Rifle Scope 4-40x75mm, 30mm Tube, Black, TIWST4644A , MPN: TIWST4644A , UPC: 658175115151 , Code: AT-THR-T4G640S40X-TIWST4644A

ATN ThOR 4 4-40x75mm Thermal Smart HD Rifle Scope 30mm Tube Unavailable & Discontinued Models

List of Unorderable Models

Refurbished, ATN ThOR 4 Thermal Smart HD Rifle Scope 4-40x75mm, 30mm Tube, Black, TIWST4644A , MPN: TIWST4644A-REFURB , Code: AT-THR-T4G640S40X-TIWST4644A-REFURB
DEMO, ATN ThOR 4, 640x480 Sensor, 4-40x Thermal Smart HD Rifle Scope w/WiFi, GPS, Black, TIWST4644A , MPN: TIWST4644A-DEMO , Code: AT-THR-T4G640S40X-TIWST4644A-DEMO
ATN ThOR 4 Thermal Smart HD Rifle Scope 4-40x75mm, 30mm Tube, Ballistic Laser Kit, Black, TIWST4644A-KIT1 , MPN: TIWST4644A-KIT1 , Code: AT-THR-T4G640S40X-TIWST4644A-KIT1
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