Pixfra Sirius S435 Thermal Imaging Monocular
S129716
- 384×288, 12µm thermal sensor with NETD of <18mK for a sharp, high-contrast thermal image
- 35mm f1.0 lens gives a detection range of up to 1,800m, with 2.41x optical magnification and 1x/2x/4x/8x digital zoom
- 0.49in 1920×1080 OLED display for a clear, comfortable view during long spells of glassing
- AI-powered image calibration continually optimises picture quality as light and temperature change
- Quick-release 18650 battery system gives up to 6 hours' use and lets you swap a spent cell in seconds; charges via USB-C
- IP67 weatherproof, rated −30°C to +55°C, with a metal lens cover to protect the front element on the hill
- Built-in 64GB storage, Wi-Fi hotspot, video recording and snapshot capture; weighs 421g and measures 194.3 × 54 × 65.4mm
The Pixfra Sirius S435 is a lightweight handheld thermal imaging monocular built for spotting deer and vermin after dark. At its core is a 384×288, 12µm thermal sensor with an NETD of less than 18mK, paired with a 35mm f1.0 lens that gives a detection range of up to 1,800m — enough to pick out a fox's or a deer's heat signature well beyond normal rifle range. A 2.41x optical magnification, backed by 1x–8x digital zoom, brings distant subjects in closer, while the 0.49in 1920×1080 OLED display keeps the image sharp and comfortable to use over long spells on the hill or in the hide. AI-driven image calibration adjusts automatically to changing conditions, so contrast stays consistent from dusk through to full dark. The three-button layout allows one-handed operation, useful when you're also handling a rifle or lamp, and the quick-release 18650 battery system means a spent cell can be swapped in seconds rather than waiting out a charge. Sealed to IP67 and rated from −30°C to +55°C, it's built to cope with a cold night out on the ground.
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