Features GUIDE TD GEN3 LRF SERIES THERMAL MONOCULAR

Professional thermal vision with integrated rangefinder – GUIDE TD Gen3 LRF Series

The GUIDE TD GEN3 LRF series combines powerful thermal performance with a portable design and the precision of an integrated laser rangefinder. Designed for users who need professional thermal observation with accurate range, it features 12 μm VOx sensors and a high-resolution AMOLED display, all in a comfortable, symmetrical housing.

Advanced thermal sensor with NETD from 20 mK
These monoculars include uncooled 12 μm VOx detectors with resolutions up to 640×512 and NETD from 20 mK, capturing detailed thermal images in total darkness, fog or rain.

Full ergonomics and single-finger focus
The ambidextrous, symmetrical design allows for comfortable use with either hand. The manual mini-focus ring enables quick and precise adjustments with a single finger without losing sight of the target.

Integrated laser rangefinder up to 1000 m
The LRF module is seamlessly integrated into the monocular’s body. It precisely measures distances up to 1000 meters, ideal for hunters, observers or law enforcement.

AMOLED display and audio recording
The 0.36” AMOLED screen with 1280×960 resolution delivers fluid, vivid visuals. Smart recording captures video with audio, saved to 32 GB of internal memory.

Replaceable battery and IP67 resistance
Thanks to the polarity-free 18650 battery, you can replace it even in the dark. With up to 12 hours of runtime and IP67 protection, it’s ready for tough environments.

Common features

12 μm VOx thermal sensor
NETD from 20 mK
Integrated laser rangefinder (up to 1000 m)
AMOLED display 0.36” – 1280×960
Video recording with audio
32 GB internal memory
Replaceable 18650 battery – up to 12 h
IP67 water and dust protection
Manual focus
Ambidextrous symmetrical design

Comparison between GUIDE TD GEN3 LRF models

TD433L – Compact and versatile for mid-range
This model has a resolution of 400×300 with 25 mK NETD. Its 35 mm lens provides a 7.9°×5.9° field of view, optical zoom from 2.9x~11.6x and thermal detection up to 1800 m. Perfect for those seeking a lightweight and efficient tool.

TD633L – High resolution with wide coverage
With a 640×512 sensor and 20 mK NETD, this model also features a 35 mm lens but offers a wider 12.5°×9.4° field of view. Optical zoom ranges from 1.8x to 14.4x, maintaining a 1800 m detection range. Best for detailed scenes.

TD653L – Long range and maximum precision
Designed for long-distance observation, it has a 640×512 sensor and 20 mK NETD. Its 50 mm lens provides an 8.8°×6.6° field of view, 2.6x~20.8x zoom, and up to 2600 m thermal range. The perfect choice for demanding detection tasks.

• Water resistance

  IP67

TD433L: 33 mm F1.0 lens, lower base magnification and wider field of view. Detection range around 1,500 m, LRF accurate up to 800–1,000 m. Ideal for quick scanning, patrol, and hunting in closed or mixed environments.

TD633L: Mid-size 35 mm F1.0 lens, balanced between field of view and identification capability. Detection range 2,000 m, laser rangefinder effective up to 1,200 m. Versatile choice for hunting and surveillance at varied distances.

TD653L: 50 mm F1.0 lens, higher base magnification and extended detection range (2,600–3,000 m), LRF up to 1,500 m. Designed for detailed identification in open terrain, pest control, or long-range operations.

TD433L: LRF with real measuring range of 800–1,000 m under optimal conditions, accuracy ±1 m. Ideal for quick distance estimation in forests, slopes and mixed environments at medium range.

TD633L: LRF effective up to 1,200 m, same ±1 m accuracy. Suitable for hunting and surveillance in open or semi-open areas, with extra margin for target identification before shooting.

TD653L: Long-range LRF, operational up to 1,500 m, ±1 m accuracy. Allows work in wide terrains, pest control and long-distance observation with high reliability.

TD433L: Wider field of view (≈13.2° × 9.9°), ideal for tracking and quickly locating moving targets. Accurate identification up to 300–400 m, beyond that depends on target size and thermal contrast.

TD633L: Mid-range field of view (≈10.5° × 7.9°), balanced between panoramic observation and detail. Enables reliable ID of medium targets up to 500–600 m under favourable conditions.

TD653L: Narrower field of view (≈7.8° × 5.9°), optimised for long-distance observation. Delivers detailed ID up to 800–1,000 m, less agile for rapid scanning but superior for precise recognition.

Common functions and technologies (TD433L, TD633L, TD653L)

High-sensitivity 12 μm thermal sensor, NETD ≤25 mK, for better contrast in adverse conditions.

High-resolution AMOLED display with multiple colour palettes.

Integrated laser rangefinder (LRF) with ±1 m accuracy.

Image modes: detection, recognition and identification optimised by software.

Built-in photo/video recording with Wi-Fi streaming and dedicated app.

Approx. 8 h battery life with removable rechargeable battery.

IP66 rating for dust and heavy rain protection.

Exclusive features of each model

TD433L: 33 mm lens for wider field of view, best for tracking and spotting moving targets at short to medium range.

TD633L: Mid-size lens optimised for versatility, balancing good light intake and mid-long identification range.

TD653L: 50 mm lens for maximum detection and identification distance, ideal for pest control or long-range surveillance.