Burris BTH 35 Thermal Imager

A handy thermal imaging monocular from the renowned Burris company, making night observation easier. The BTH 35 model is equipped with variable optical magnification 2.3-9.2x. For greater observation accuracy, the model also offers variable digital magnification in the 1-4x range, allowing objects as far as 1900 meters away to be noticed (vehicle detection).

Observation distance depends on the size of the object:
- human recognition: 150 m,
- human detection: 620 m,
- vehicle recognition: 475 m,
- vehicle detection: 1900 m.

It is equipped with a color LCOS display with a resolution of 1280x960 pixels, which displays an image with a resolution of 400x300 pixels at 50 Hz. The user can adjust brightness and contrast on a 10-level scale.

The thermal imaging monocular allows you to choose one of five color palettes in which the image will be displayed:
- White Hot,
- Black Hot,
- Iron Red,
- Blue Hot,
- Red Hot.

The thermal imager allows the observed image to be recorded and transferred to a phone using the built-in WiFi module. Optionally, the built-in micro HDMI or USB Type-C port can be used, which also serves to charge the device. Maximum operating time on a single charge is about 5 hours.

To improve user comfort, the BTH 35 model is equipped with diopter adjustment in the -4 to +2 range and a thread that allows the device to be mounted on a tripod.

The set includes:
- thermal imager,
- case,
- charger,
- HDMI / micro HDMI cable,
- wrist strap,
- carrying strap.

technical data
Color: Black
Resolution: 400x300
Image refresh rate: 50 Hz
Objective lens: 35 mm
Field of view: 11.1 deg. ×8.3 deg.
Display: 1280x960, LCOS
Maximum range (vehicle detection): 1900 m
Dimensions: 192 x 65 x 71 mm
Weight: 485 g
Manufacturer: Burris, USA