The Guide TD635LS Thermal Monocular is a compact, handheld thermal imaging device built for hunters and outdoor professionals who need fast, reliable target detection in complete darkness. Featuring a high-sensitivity 640x512 sensor and a bright 35mm lens, the TD635LS delivers a detection range of up to 1800m, while an integrated laser rangefinder provides precise distance measurements out to 1200m without ever taking your eye off the target.

Rugged Construction: Built with an IP67-rated waterproof and dustproof housing, the TD635LS is designed to withstand harsh field conditions and all-weather use.

Compact and Lightweight: At just 374g, the ergonomic single-hand design makes the TD635LS easy to carry and operate for extended periods in the field.

Built-in Laser Rangefinder: The integrated LRF delivers accurate distance readings up to 1200m directly in the eyepiece, helping you make fast, confident decisions.

Specifications

Sensor

Resolution: 640x512
Pixel Pitch: 12μm
NETD: <15mK

Lens

Focal Length: 35mm
Detection Range: 1800m

Display

Type: 0.49" OLED
Resolution: 1440x1080

Eyepiece

Diopter Adjustment: -6D to +6D
Magnification: 2.03x-16.24x
Field of View: 22m x 17m @ 100m

Hardware Interface

Interface: USB-C

System Features

Built-in Laser Rangefinder: up to 1200m
Multiple Colour Palettes
Photo and Video Recording

Power and Battery

Battery: 1 x Replaceable 18650
Battery Life: Up to 10 hours

Environmental and Durability

Ingress Protection: IP67

Physical Dimensions

Dimensions: 171mm x 54mm x 74mm
Weight: 374g