Thermal Master P4 review: Easily the best phone-connected thermal camera yet, but it's not perfect
Thermal Master P4: 30-second review The Thermal Master P4 is the latest addition to the brand's P-series of smartphone thermal cameras, and technically, it eclipses the previous P3 design. Rather than offering a single thermal sensor, it pairs the now-familiar 256x192 VOx microbolometer with a visible light camera, creating a dual-lens design. Thermal Master calls the world's first of its kind in this class, ignoring all the phones with thermal cameras that already have this capability. That combination unlocks four imaging modes. Users can switch between standard infrared, visible light, IR-Fuse (a blended overlay), and MIX mode, which fuses both streams in real time. We’ve seen this work extremely well on phones that support the same approach. And the only issue is often that, because each sensor sees a slightly different angle, the two images sometimes don’t align well. This is especially true when working close up. To address this on the P4, Thermal Master introduced t...
