forum threadiconian | Staff posted Apr 16, 2026 12:31 AM
Item 1 of 3
Item 1 of 3
forum threadiconian | Staff posted Apr 16, 2026 12:31 AM
LINGDU 3 Channel 4K WiFi 6 Dash Cam (4K, 1080p, 1080p) $70 + Free S/H
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$140
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The LINGDU V630 Dash Cam records at:
•Front camera: 4K Ultra HD (3840 × 2160)
•Interior cabin camera: 1080p Full HD (1920 × 1080)
•Rear camera: 1080p Full HD (1920 × 1080)
This is like watching a 1080p video on a 4k TV, there's some upscaling happening in between. It's taking a 2.5k source from the image sensor and artificially stretching it into a 4k file. There are very few true 4k sensors, like the Sony Starvis 2 IMX678, and you won't find those in a budget camera. Even many of the "4k" Starvis cameras use the cheaper and lower-resolution IMX675. If you take one of its "4k" files and try to read a license plate, for example, the stretching process will distort letters that might actually be readable at the lower-but-native 2K or 2.5K resolution.
This is like watching a 1080p video on a 4k TV, there's some upscaling happening in between. It's taking a 2.5k source from the image sensor and artificially stretching it into a 4k file. There are very few true 4k sensors, like the Sony Starvis 2 IMX678, and you won't find those in a budget camera. Even many of the "4k" Starvis cameras use the cheaper and lower-resolution IMX675. If you take one of its "4k" files and try to read a license plate, for example, the stretching process will distort letters that might actually be readable at the lower-but-native 2K or 2.5K resolution.
You asked their AI about their own product page and basically got what they are claiming ?
Great work finding supportive evidence.
This is like watching a 1080p video on a 4k TV, there's some upscaling happening in between. It's taking a 2.5k source from the image sensor and artificially stretching it into a 4k file. There are very few true 4k sensors, like the Sony Starvis 2 IMX678, and you won't find those in a budget camera. Even many of the "4k" Starvis cameras use the cheaper and lower-resolution IMX675. If you take one of its "4k" files and try to read a license plate, for example, the stretching process will distort letters that might actually be readable at the lower-but-native 2K or 2.5K resolution.
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I got pulled over last week by pacing and realized not only should I have gotten a 2ch, but that my SD card had been corrupt and cheapass dashcam didn't alert me of it.
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