Jason H. Lu, founder and CEO of Los Angeles drone maker Flyby Robotics, posted on X on Sunday, October 25, that DJI is mass rolling out 1280 by 1024 thermal imaging on its Mavic-sized drones while American 640 by 480 imagers sit on lead times of six months or more. “This should be a MASSIVE wake up call to the Western industrial base,” he wrote. The post passed 165,000 views by Monday morning.
The camera in his image is the gimbal of the Matrice 5TD, the dock drone DJI launched with Dock 4 on October 14. Replies argued that its thermal sensor is a 640 upscaled in software. Lu answered that 1280 is the native resolution.
DJI’s spec sheet backs Lu on the sensor. It does not show a Mavic-sized drone carrying it.
DJI Lists a Native 1280 by 1024 Detector on 8-Micron Pixels
The Matrice 5TD specifications list an uncooled vanadium oxide microbolometer at 1280 by 1024 with an 8 μm pixel pitch, running at 30 Hz. A separate UHR Infrared Image mode outputs 2560 by 2048, the super-resolution figure Lu cited in a follow-up reply.
The skeptics were reading the wrong drone. One reply posted screenshots of DJI’s Matrice 4 series specs, which list the Matrice 4T’s detector at 640 by 512 on a 12 μm pitch and reach 1280 by 1024 only as video with Super Resolution switched on. Another said the 5TD’s detector is 640 by 512 as well. DJI’s 5TD sheet lists no Super Resolution mode at all, and the 1280 figure sits in the sensor’s own resolution field. DroneXL took the same number from the same sheet on launch day.
DJI has shipped the format before. The Zenmuse H30T launched in May 2024 with a native 1280 by 1024 thermal camera on a 12 μm pitch, as a payload for the much larger Matrice 300 RTK and 350 RTK, and DJI now lists the Matrice 400 as a carrier too. The 5TD’s change is the pixel. Shrinking it from 12 μm to 8 μm puts the same 1.3 million pixels on a sensor with less than half the area, and a smaller sensor needs a smaller lens for the same field of view.
The Matrice 5TD Is a 2.6 kg Dock Drone, Twice a Matrice 4T
The Matrice 5TD in Lu’s image is not Mavic-sized. It weighs 2,600 g and measures 393 by 477 by 230 mm (15.5 by 18.8 by 9.1 inches) without propellers. It is a dock drone that cannot be flown from a remote controller at all.
The folding thermal drone in DJI’s line is the Matrice 4T, at 1,219 g and 260.6 by 113.7 by 138.4 mm (10.3 by 4.5 by 5.4 inches) folded, and it still carries the 640 by 512 detector. A foldable Matrice 5 on Matrice 4-style arms showed up in a Polish dealer’s post last week and is the closest match to Lu’s description, but DJI has not named it and the image did not show its gimbal.
“Mass rolling out” is ahead of the record too. DJI has published no production figures for the 5TD. In China, the Dock 4 kit with the Matrice 5TD and O4 Ground Station lists at 167,999 yuan, hardware only, DoNews reported on launch day. DJI has given no US or European price.
America’s 1280 Thermal Core Is Sold for Weapon Sights
Leonardo DRS, the Arlington, Virginia, defense contractor, already sells a 1280 by 1024 uncooled core, the Tenum 1280, on a 10 μm VOx pixel at 30 Hz. DRS markets it for weapon sights, goggles, combat vehicles, missile seekers and space, with no drone on the list.
The DRS camera built for drones is the Tenum 640 Orbit. On July 15, DRS signed a blanket purchase agreement for more than 50,000 Tenum Orbit cameras and said its factories are sized for annual production in the hundreds of thousands. Skydio’s X10, which Skydio says is assembled in the US, carries a Teledyne FLIR Boson+ at 640 by 512.
Lu’s six-month lead time is his own figure, from a company that buys thermal cores, and neither the DRS nor the Teledyne release below gives one. He also sells against DJI: his pinned X post advertises the Flyby F-11 as made in Los Angeles with zero Chinese Communist Party components. The Army is paying to grow the supply. On August 25, Teledyne FLIR OEM said it was selected for the Army’s DUTCH initiative, short for Delivering Unmatched Thermal Capability Hastened, which targets smaller, cheaper uncooled sensors and high-volume production. DRS lists its own DUTCH selection.
One reply said the US has had higher-resolution imagers for decades and export rules keep them off commercial drones. Lu answered that his US Army and Air Force customers would gladly buy those imagers on a Mavic-sized drone for under $15,000.
DroneXL’s Take
My read is that Lu has the right alarm and the wrong diagnosis. America can build a 1280 thermal core, and the Tenum 1280 proves it. The gap is in the drones. The X10 and the Matrice 4T that US departments buy today both carry 640 by 512, and DJI fit 1280 onto an 8 μm pixel, smaller than the 10 μm DRS lists.
I don’t see how keeping the 5TD out closes that gap. The December 2025 Covered List action already blocks it from the US, and the Docket 26-189 proposal would bar the sale of foreign thermal drones outright, which would also reach the H30T DJI has sold here since 2024. Banning DJI’s 1280 camera doesn’t put one on any American drone.
Sources: Jason H. Lu on X, DJI Dock 4 specifications, DJI Matrice 4 series specifications, Leonardo DRS Tenum 1280, Leonardo DRS press release, Teledyne FLIR OEM press release, Skydio X10, DoNews
DroneXL uses automated tools to support research and source retrieval. All reporting and editorial perspectives are by Haye Kesteloo. Read our editorial standards.
