Mon. Dec 6th, 2021

DJI has revealed Ronin 4d, A movie camera system with a built-in 4-axis gimbal, 8K resolution and LiDAR range that promises “sharper, faster and more reliable focusing”. Starting at 7,199, it’s the goal of professionals, but shows DJI’s technical prowess with gimbal and camera technology.

The “Zenmuse X9” camera is designed exclusively for the Ronin 4D and should be paused by dedicated camera makers. It is a full-frame interchangeable model that can use DJI’s DL or Leica M lenses (including other mirrorless lenses via adapter) and comes with nine built-in neutral-density (ND) filters for exposure control.


It is available in 6K models that can handle 6K at 60fps and 4K at 120fps, or 8K 75 fps versions. It can capture files in RAW, ProRes or H.264, which gives maximum flexibility in production. DJI claims 1 stops in the dynamic range, and for dual-native / 00/5000 ISO it should be good in low light.

Gimbal itself is the first to offer Z-axis stabilization, DJI said. The goal is to reduce vertical shaking when a camera operator is walking or running, a technique that usually requires considerable skill. With the exception of the lens and storage card, the Ronin 4D is relatively small in size and weighs 4.67 kg (10.3 lb). It uses data from in-flight down time (TOF) sensors, forward and downward dual-visual sensors, built-in IMU and barometer. It comes with DJI’s Activtrack Pro (similar to those found among its consumers) gimbals And drones), which use AI to create and track capabilities.

DJI's Ronin 4D movie camera has a built-in gimbal and leader focus system

tomgo.tang / DJI

For the leader focusing system, it “reaches 43,200 ranging points up to 10 meters, detects objects quickly and accurately, even in low light environments,” the DJI said in a press release. It does not mention any other autofocus technology used by the camera, although it does support “human face / body recognition and framing of any subject.” It further states that the system “measures the distance of the object without relying on the texture of the surface or the prey of the edge”, which means it does not use contrast-detect AF.

The system supports full autofocus, manual focus and “Automated Manual Focus” (AMF) which allows camera operators to “draw focus with extreme precision”. The general idea with AMF is that Autofocus handles most AF work, but allows the operator to intervene manually at any time.

DJI's Ronin 4D movie camera has a built-in gimbal and leader focus system


Other features include a long range (20,000 feet) video transmitter that outputs 1080 / 60p feed to remote monitors, three storage modes (USB SSD, CFexpress Type-B and PRJSD 1TB owned by DJI), a 3.5mm mic expansion with built-in microphone Plate through port and XLR port and battery up to 2.5 hours of shooting time.

The Ronin 4d The 6K camera costs 7 7,199, the 8K model costs 11 11,499. Both come with a gimbal, camera, leader range finder, a monitor, hand grips, top handle, a portable case and a battery. That’s a lot, of course, but less than some movie camera systems এবং and DJI’s Ronin 2 movie stabilizer runs $ 8,000-plus without any cameras.

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