







TB 1250 LRF PRO Thermal Clip-On 1280X1024 50mm 18mK Laser Rangefinder
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WORLD'S FIRST HD THERMAL CLIP-ON
- 1280×1024 @12μm Sensor Resolution
- 2800 yd Detection Range
- 50mm; F1.0 Focal length
- 18Mk NETD
- 0.39'' AMOLED Display 1920×1080
- 1630Yd Laser Rangefinder
The TB Series is the latest compact thermal clip-on imagined with intuitive ergonomics, high shock resistance and a rugged and durable body.
The TB 1250 LRF Pro is the world's first clip-on featuring a HD thermal sensor with a 1280×1024 resolution. It is equipped with a 50mm germanium lens and an integrated laser rangefinder.
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Sensor
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| Type | Uncooled VOx Infrared Detector, 8 to 14μm |
| Resolution | 1280×1024@12μm |
| NETD | 18mK |
| Frame rate | 50Hz |
| Lens | |
| Objective lens | 50mm, F1.0 |
| Field of view | 17.5°×14.0° |
| FOV m@100m | 31×25 |
| Magnification | 1x |
| Detection range | 2600m/2800yd |
| Display | |
| Display type | 0.39'' AMOLED 1920×1080 |
| Color palettes | White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia |
| Eyepiece | Eye relief: 20mm; Zoom: 13.3x |
| Hardware | |
| Laser rangefinder | 1500m/1630yd |
| WIFI | 2.4G, 5G |
| Interface | USB Type-C (Power supply/USB2.0) |
| Others | Microphone, Bluetooth |
| System | |
| Recording function | Photo/Video (Audio recording included) |
| Memory capacity | 256GB |
| Power | |
| Battery type | 2 replaceable 18650 batteries |
| Operating time | 6 hours |
| Environmental | |
| Operating temp. | -4°F to +122°F |
| Recoil Rating | .300 Win Mag |
| Encapsulation | IP68 |
| Physical | |
| Weight (oz) | 21.76 |
| Size (in) | 6.34×3.50×3.82 |
| Standard | A device, Battery charger, 18650 battery×2, 5V2A adapter (US, Britain, Australia and Europe), USB Type-C cable, Quick use guide, Warranty card |
| Optional | 18650 battery, Bluetooth remote control, Cover ring adapter |
This item is currently on backorder and will ship end of November. You can pre-order now or contact us at contact@guideir-thermal.com for more information.

Introducing the Guide Sensmart Compact Clip-On TB 1250 LRF Pro —the first thermal clip-on on the market with a HD 1280x1024 resolution. This groundbreaking technology brings exceptional thermal image quality to night hunters, making high-definition thermal imaging a reality.
The TB Series of thermal clip-ons 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, TargetIR app compatibility for storing and sharing images and videos, constant OTA upgrades, IP68 protection rating, 6 hours of battery life.
As always with Guide Sensmart, we are proud 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
1280×1024 @12μm
18mK
50Hz
50mm, F1.0
17.5°×14.0°
1x
2800yd
6 Hours (18650 Battery)








