The Guide TB650S 2.0 is a 640 x 512 thermal clip-on from the Guide TB 2.0 series that mounts in front of your day scope. It runs the APEXVISION S1 system with a 15 mK sensor and a 50mm F0.9 lens for detection out to 2600 m, and weighs 490 g. Need a rangefinder? Compare it with the Guide TB650LS 2.0.
Guide TB650S 2.0 Features
Keep your day scope
The TB650S sits in front of your existing scope at 1x, so you keep your reticle and zero. It suits day optics up to 15x.
640 x 512 sensor and 50mm F0.9 lens
A 15 mK sensor with a 50mm lens gives an 8.8° x 6.6° field of view, about 15 m wide at 100 m, and detection out to 2600 m.
1.22 cm clicks at 100 m
Fine adjustment steps help line the clip-on up with your day scope.
Full HD display
A 0.39 inch 1920 x 1080 AMOLED display with 20 mm eye relief.
Single 18650 battery
One replaceable 18650 runs it for up to 5 hours, and two are supplied.
Recording and app
Photo and video with audio to 64GB, dual band Wi-Fi and the TargetIR app for firmware updates. IP68 and 6000 J shock resistance.
Want to compare? Browse our Guide 640 thermal clip-ons or read how to choose a thermal scope.
Guide TB650S 2.0 Specifications
| Sensor | |
|---|---|
| Core | ApexCore S1 detector, Nexus 1.0 platform, Hyper-Light 2.0 |
| Detector type | Uncooled VOx, 8 to 14 µm |
| Resolution | 640 x 512 @ 12 µm |
| NETD | 15 mK |
| Frame rate | 50 Hz |
| Lens | |
| Objective lens | 50mm, F0.9 |
| Field of view | 8.8° x 6.6° |
| FOV at 100 m | 15 x 11 m |
| Magnification | 1x |
| Detection range | 2600 m |
| Focus | Manual |
| Display | |
| Display | 0.39 inch AMOLED, 1920 x 1080 |
| Colour palettes | White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia |
| Eyepiece | Eye relief 20 mm |
| Hardware | |
| Laser rangefinder | No |
| Wi-Fi | 2.4 GHz and 5 GHz |
| Interface | USB-C (power and USB 2.0) |
| Other | Microphone, Bluetooth |
| System | |
| Recording | Photo and video with audio |
| Storage | 64GB |
| Power | |
| Battery | 1 x replaceable 18650 |
| Run time | Up to 5 hours |
| Environmental | |
| Operating temperature | -20°C to 50°C |
| Shock | 6000 J |
| Waterproof | IP68 |
| Physical | |
| Weight | 490 g |
| Size | 144 x 86 x 79 mm |
| In the box | Clip-on, carry bag, lint-free cloth, battery charger, 18650 battery x2, USB-A to USB-C cable, quick start guide, warranty card |
| Optional | Bluetooth remote, 18650 battery, adaptor ring, clip-on ring mount, quick release scope mount |










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