Home › Models › Thermal monoculars › Compare

Burris BTH 35 v2 vs Leica Calonox 2 View

Two thermal monoculars compared on the makers' own figures. Rows in bold are where they differ; a dash means that maker does not publish the figure.

Burris's 400×300 handheld thermal with a 35 mm F1.0 lens, 1280×960 display, Wi-Fi app control and a tripod thread; a US product sold in small numbers in the UK.
no live Amazon listing tracked
Leica's current 640×480 thermal monocular: 42 mm F1.1 lens, 60 Hz, full-HD OLED display, 32 GB memory, IP67 and a nitrogen-filled body.
no live Amazon listing tracked

Specification side by side

Burris BTH 35 v2Leica Calonox 2 View
TechnologyThermalThermal
Sensor400×300640×480
Pixel pitch12 µm12 µm
Lens35 mm42 mm
Digital zoomup to 4xup to 8x
Field of view7.8°10.3°
DisplayLCOS 1280x960OLED 1920x1080
Wi-Fi / appyesyes
Battery lifeup to 5 hup to 8 h
Weight624 g657 g
NETD—≤40 mK
Magnification—2.5–20x
Detection range—770 m
Recording—photo and video
Battery—built-in Li-ion (2x 2420 mAh)
Water resistance—IP67

Sources: Burris BTH 35 v2 (spec page); Leica Calonox 2 View (spec page). Detection ranges are for a 1.8 m object under each maker's own test conditions and are not directly comparable between brands.

Full pages: Burris BTH 35 v2 · Leica Calonox 2 View · all thermal monoculars in stock today

Specifications are the manufacturers' published figures. Prices are Amazon.co.uk at our last daily check. As an Amazon Associate we earn from qualifying purchases. More