


TR 420 - Thermal Riflescope
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- 400 x 300 12 μm Sensor Resolution
- 1400 yd Detection Range
- 25mm; F1.0 Focal length
- 1024x768 Display Resolution
The TR Series is a compact thermal imaging riflescope imagined with intuitive ergonomics, high shock resistance and a rugged and durable body.
The TR 420 is equipped with a 25mm germanium lens and a 400 x 300 resolution thermal sensor with a 25mK NETD, it has a detection range of 1400 yards, and a base magnification of 2.4X.
Sensor | ||||
---|---|---|---|---|
Type | Uncooled VOx Infrared Detector, 8 to 14μm | |||
Resolution | 400×300@12μm | |||
NETD | 25mK | |||
Frame rate | 50 Hz |
Lens | ||||
---|---|---|---|---|
Objective lens | 25mm, F1.0 | |||
Field of view | 11°×8.2° | |||
FOV m@100m | 19×14 | |||
Magnification | 2.3x~9.2x | |||
Detection range | 1300m/1400yd |
Display | ||||
---|---|---|---|---|
Display type | 0.39'' AMOLED 1024×768 | |||
Color palettes | White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia | |||
Eyepiece | Eye relief: 48 mm; Diopter ± 4; Zoom: 14x |
Hardware | ||||
---|---|---|---|---|
WIFI | 2.4G | |||
Interface | USB Type-C | |||
Others | Microphone, Bluetooth |
System | ||||
---|---|---|---|---|
Recording function | Photo/Video (Audio recording through the TargetIR App) | |||
Memory capacity | 32GB |
Power | ||||
---|---|---|---|---|
Battery type | Single, replaceable 18650 battery | |||
Operating time | 8 hours |
Environmental | ||||
---|---|---|---|---|
Operating temp. | -30°C to 50°C / -22°F to +122°F | |||
Shock | 800G at 1ms half sine pulse (as per IEC60068-2-27) | |||
Encapsulation | IP67 |
Physical | ||||
---|---|---|---|---|
Weight (g/oz) | 564/19.89 | |||
Size (mm/in) | 201×89×66/7.91×3.50×2.60 | |||
Standard | Device, Scope mount, Corduroy Case, Type-C cable, 5V2A adapter (US, Britain, Australia and Europe), 18650 battery, Battery charger, Lens cover, Eye mask, Quick start guide, Warranty card | |||
Optional | 18650 battery, Dovetail guide, Bluetooth remote control, Laser rangefinder |

The TR Series of thermal scopes were specifically designed to be compact and lightweight, but they come with all the features that you can expect, which include: built-in recording and picture capture capabilities, Wi-Fi hotspot, 4X digital zoom, TargetIR app compatibility for storing and sharing images and videos, constant OTA upgrades, IP67 protection rating, 8 hours of battery life.
With a variety of models, whether you prioritize extreme thermal sensitivity, high base magnification, or a balanced combination of both, there’s a TR model tailored to meet your specific requirements.
As always with Guide Sensmart, we are prouf to offer a 10-year warranty on your optic and its thermal sensor. We trust our products more than anything else and are the only ones to offer this kind of warranty. With a Texas-based repair center, you can rest assured that you'll get your product back within a week.
Product Features
400 x 300 / 12μm
25mK
50 Hz
25mm, F1.0
10.44°×7.87°
2.4x~9.6x
1400yd
8 Hours (18650 Battery)
1400 yd
High-precision detection range
Video

Full-color HD AMOLED Display
The full-color 0.39-inch HD OLED display with 1024×768 pixels delivers sharp, richly contrasted, and vivid images that capture every moment in perfect detail.

Customizable Reticle
10 Reticle Types: Choose from 10 different reticle designs to suit your specific needs, whether it's for precision shooting, general observation, or hunting.
10 Levels of Reticle Brightness: Adjust the brightness of the reticle with 10 different settings. This ensures that you can maintain visibility of the reticle, regardless of how bright or dim your surroundings are.

Photos and videos recording
Connecting your smartphone to your riflescope, thanks to the TargetIR APP via WIFI, will allow you to share captured moment in real time.

Six color palettes
White Hot, Black Hot, Iron Red, Blue Hot, Green Hot and Red Hot, Support a one-button switch to instantly identify the target's location, helping to achieve all-weather observations.
Full-color HD AMOLED Display
The full-color 0.39-inch HD OLED display with 1024×768 pixels delivers sharp, richly contrasted, and vivid images that capture every moment in perfect detail.
Customizable Reticle
10 Reticle Types: Choose from 10 different reticle designs to suit your specific needs, whether it's for precision shooting, general observation, or hunting.
10 Levels of Reticle Brightness: Adjust the brightness of the reticle with 10 different settings. This ensures that you can maintain visibility of the reticle, regardless of how bright or dim your surroundings are.
Photos and videos recording
Connecting your smartphone to your riflescope, thanks to the TargetIR APP via WIFI, will allow you to share captured moment in real time.
Six color palettes
White Hot, Black Hot, Iron Red, Blue Hot, Green Hot and Red Hot, Support a one-button switch to instantly identify the target's location, helping to achieve all-weather observations.












S600 External Laser Rangefinder (LRF) for TR Series
Pickup available at 4590 Harrison Boulevard
Usually ready in 2-4 days

S600 External Laser Rangefinder (LRF) for TR Series
4590 Harrison Boulevard
4590 Harrison Boulevard
OGDEN UT 84403
United States