The Guide TD435LS Thermal Monocular has been upgraded with the latest ApexVision technology from Guide Sensmart. Equipped with a highly sensitive 400 × 300 @12μm thermal detector with an impressive NETD of <15mK, it provides clear thermal imagery and enhanced target detection in challenging weather and low-visibility conditions.

Featuring an integrated 1200m laser rangefinder, the TD435LS allows users to accurately measure distances while maintaining a lightweight and ergonomic design. The intuitive focusing roller enables smooth one-handed operation, while the symmetrical housing ensures comfortable use with either hand.

Combining advanced thermal performance, long battery life, laser rangefinding capability, and a compact form factor, the Guide TD435LS LRF is an ideal solution for wildlife observation, pest control, search and rescue, security applications, and general outdoor exploration.

Complete ApexVision S1 System Architecture

Guide Sensmart's next-generation thermal imaging solution that redefines the infrared core of outdoor optics from the ground up. Engineered for any condition, ApexVision delivers ultra-clear visuals with smooth, ghost-free motion, high-fidelity imaging, and razor-sharp detail at long range.

Powerful 12μm Detector for Sharper Images

The TD Gen3 LRF Series features a 12μm infrared detector, available in 640×512 and 400×300 resolutions, paired with a 35mm lens to deliver crisp, detailed images even in complete darkness.

Ambidextrous Design, Effortless One-Handed Operation

Designed for ambidextrous use, the symmetrical housing ensures equal comfort for left- and right-handed users. The ergonomic control layout enables smooth, one-handed operation

Fine Focus Control, Fingertip Precision

The mini focusing roller allows for fast, precise adjustments with a simple one finger scroll.

Large AMOLED Display for Upgraded Visuals

Building on the previous generation, the TD Gen3 LRF Series features a 0.49" AMOLED display with 1280×960 resolution, delivering sharper detail and a more comfortable viewing experience.

Built-in LRF For Precise Target Identification

Seamlessly integrated into the design, the built-in laser rangefinder enhances both portability and functionality, offering precise distance measurement up to 1200 metres.