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The VIOFO A329T 3CH is a three-channel dash cam: a 4K HDR wide front camera, a 2K telephoto camera with 4× optical zoom, and a 2K HDR wide rear camera. All three use Sony STARVIS 2 sensors with simultaneous HDR, and the telephoto lens is the standout — it pulls readable plates and signs from far ahead that wide lenses flatten into mush. It also supports external SSD storage up to 4TB for long three-channel recording. It suits drivers and fleets who want plate-level evidence from every angle; it is more complex and more demanding to install than a single-channel cam, and the narrow telephoto view needs careful aiming.
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Owners rate it highly, with the telephoto channel the most-praised part: it reads plates that wide cameras miss. The main complaints are install complexity and the care needed to aim the narrow lens.
The VIOFO A329T 3CH is a three-channel dash cam system with a 4K front camera, a 2K telephoto camera and a 2K rear camera. All three channels use Sony STARVIS 2 sensors with simultaneous HDR processing.
The front camera records in 4K HDR with a 140° wide view of the road, including lanes, intersections and traffic. The telephoto camera records in 2K HDR with a narrow 35° view and 4× optical zoom. It is meant to pick out distant license plates, street signs and vehicle markings. The rear camera records in 2K HDR with a 140° wide view behind the vehicle.
External SSD storage up to 4TB is supported for long 3-channel recording. A version called the A329TW 3CH is also offered. It replaces the standard rear camera with an IP67 waterproof exterior camera, for vehicles without a clear rear windshield.
