What it is best for

The Chiron C425F converts your day scope into a thermal sight by mounting in front of it, so you keep your familiar optic, reticle, and zero. It suits hunters who want one rifle for day and night without buying a dedicated thermal scope.

Key features and specifications

• 384×288 12-micron VOx sensor, NETD <= 30 mK
• 25 mm lens, F1.0; field of view 11.0 deg x 8.2 deg
• 50 Hz refresh for smooth imaging
• Mounts ahead of a day scope; preserves your zero
• Detection range up to ~1300 m
• 1024×768 OLED display, multiple palettes
• Onboard recording and Wi-Fi, USB-C power
• Rugged, weather-resistant build

Trade-offs and who it is not for

Clip-on image quality depends on the day scope behind it, and like all clip-ons, it adds weight and length up front. A dedicated thermal scope can be simpler if you do not need to keep your day optics.

Pairs well with

• If you want the handheld monocular version: PixFra Chiron C425 Thermal Monocular
• If you prefer a dedicated thermal scope: AGM Rattler TS35-384 Thermal Riflescope
• If you see all thermal clip-ons: Thermal Clip-ons

FAQ

• Will this clip-on keep my rifle’s zero? Yes, mounted correctly in front of your day scope, it works through your existing reticle and zero.
• Can I use it during the day? Thermal works day or night; the clip-on lets you keep your day scope for normal daytime shooting and add thermal when needed.
• Does it record? Yes, with onboard storage and Wi-Fi for reviewing and sharing footage.

PixFra thermal clip-on

clip-on thermal for day scope

thermal attachment hunting