Guide TD411

The Guide TD411 is a high-performance thermal monocular from the second-generation TD series, offering enhanced image clarity, extended detection range, and intuitive usability. Equipped with a 384×288 VOx thermal sensor with a 12 µm pixel pitch and NETD ≤ 35 mK, it provides precise and sharp thermal imagery, even in low-contrast conditions. A high-resolution 0.23″ AMOLED display (640×400) delivers smooth real-time viewing at 50 Hz.

The 19 mm f/1.0 lens gives a field of view of approximately 24 m × 18 m at 100 m, making it ideal for mid-range scanning and detection. With a magnification range of 1.4× to 5.6× and a detection range up to 1,000 m, the TD411 is well-suited for nature observation and outdoor navigation.

About the Guide TD Gen2 Series

The second-generation TD lineup focuses on image quality, user comfort, and rugged performance. Featuring multiple observation modes, long battery life, and durable waterproof housing, these thermal monoculars are ideal tools for users who demand dependability across changing environments and extended use cases.

Key Features

• 384×288 VOx thermal sensor with 12 µm pixel pitch; NETD ≤ 35 mK
• Objective lens: 19 mm f/1.0
• Field of view at 100 m: approx. 24 m × 18 m
• Magnification: 1.4× to 5.6×
• Detection range: up to 1,000 m
• Display: 0.23″ AMOLED, 640×400 resolution
• Color palettes: Black Hot, White Hot, Red Hot, Iron Hot, Blue Hot
• Eyepiece: 12 mm eye relief; −4 to +2 diopter adjustment
• Wi‑Fi 2.4 GHz for Guide app connectivity
• Interface: USB Type‑C for charging and data
• Power: single replaceable 18650 battery
• Operating time: up to 10 hours
• Housing: IP66 waterproof rating, fog-resistant and ruggedized
• Weight: 330 g; Dimensions: 150 × 45 × 74 mm

About Guide Sensmart

Guide Sensmart, a division of Guide Infrared, is a global leader in thermal imaging technology. With over 20 years of R&D and manufacturing experience, Guide produces advanced thermal solutions for outdoor, industrial, and commercial markets—serving more than 70 countries worldwide with reliable, high-performance infrared optics.

What’s in the Box

• Guide TD411 Thermal Monocular
• Lens cover and lanyard
• Wrist strap
• Carry bag
• Eye mask
• Battery charger
• Single 18650 rechargeable battery
• USB Type-C cable
• Quick use guide
• Warranty card

Warranty

The TD411 is backed by a 2-year manufacturer warranty, with service support available through Guide's international network of authorized service partners.